[ { "atomic_number": 1, "symbol": "H", "name": "Hydrogen", "atomic_mass": 1.008, "cpk_hex_color": { "red": 255, "green": 255, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 1 } ], "electronegativity": 2.2, "atomic_radius": 120, "ionization_energy": 13.598, "electron_affinity": 0.754, "oxidation_states": [ 1, -1 ], "standard_state": "Gas", "melting_point": 13.81, "boiling_point": 20.28, "density": 8.988e-05, "group_block": "Nonmetal", "year_discovered": 1766 }, { "atomic_number": 2, "symbol": "He", "name": "Helium", "atomic_mass": 4.0026, "cpk_hex_color": { "red": 217, "green": 255, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 } ], "electronegativity": "", "atomic_radius": 140, "ionization_energy": 24.587, "electron_affinity": "", "oxidation_states": [ 0 ], "standard_state": "Gas", "melting_point": 0.95, "boiling_point": 4.22, "density": 0.0001785, "group_block": "NobleGas", "year_discovered": 1868 }, { "atomic_number": 3, "symbol": "Li", "name": "Lithium", "atomic_mass": 7, "cpk_hex_color": { "red": 204, "green": 128, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 1 } ], "electronegativity": 0.98, "atomic_radius": 182, "ionization_energy": 5.392, "electron_affinity": 0.618, "oxidation_states": [ 1 ], "standard_state": "Solid", "melting_point": 453.65, "boiling_point": 1615, "density": 0.534, "group_block": "AlkaliMetal", "year_discovered": 1817 }, { "atomic_number": 4, "symbol": "Be", "name": "Beryllium", "atomic_mass": 9.012183, "cpk_hex_color": { "red": 194, "green": 255, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 } ], "electronegativity": 1.57, "atomic_radius": 153, "ionization_energy": 9.323, "electron_affinity": "", "oxidation_states": [ 2 ], "standard_state": "Solid", "melting_point": 1560, "boiling_point": 2744, "density": 1.85, "group_block": "AlkalineEarthMetal", "year_discovered": 1798 }, { "atomic_number": 5, "symbol": "B", "name": "Boron", "atomic_mass": 10.81, "cpk_hex_color": { "red": 255, "green": 181, "blue": 181 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 1 } ], "electronegativity": 2.04, "atomic_radius": 192, "ionization_energy": 8.298, "electron_affinity": 0.277, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 2348, "boiling_point": 4273, "density": 2.37, "group_block": "Metalloid", "year_discovered": 1808 }, { "atomic_number": 6, "symbol": "C", "name": "Carbon", "atomic_mass": 12.011, "cpk_hex_color": { "red": 144, "green": 144, "blue": 144 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 2 } ], "electronegativity": 2.55, "atomic_radius": 170, "ionization_energy": 11.26, "electron_affinity": 1.263, "oxidation_states": [ 4, 2, -4 ], "standard_state": "Solid", "melting_point": 3823, "boiling_point": 4098, "density": 2.267, "group_block": "Nonmetal", "year_discovered": "Ancient" }, { "atomic_number": 7, "symbol": "N", "name": "Nitrogen", "atomic_mass": 14.007, "cpk_hex_color": { "red": 48, "green": 80, "blue": 248 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 3 } ], "electronegativity": 3.04, "atomic_radius": 155, "ionization_energy": 14.534, "electron_affinity": "", "oxidation_states": [ 5, 4, 3, 2, 1, -1, -2, -3 ], "standard_state": "Gas", "melting_point": 63.15, "boiling_point": 77.36, "density": 0.0012506, "group_block": "Nonmetal", "year_discovered": 1772 }, { "atomic_number": 8, "symbol": "O", "name": "Oxygen", "atomic_mass": 15.999, "cpk_hex_color": { "red": 255, "green": 13, "blue": 13 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 4 } ], "electronegativity": 3.44, "atomic_radius": 152, "ionization_energy": 13.618, "electron_affinity": 1.461, "oxidation_states": [ -2 ], "standard_state": "Gas", "melting_point": 54.36, "boiling_point": 90.2, "density": 0.001429, "group_block": "Nonmetal", "year_discovered": 1774 }, { "atomic_number": 9, "symbol": "F", "name": "Fluorine", "atomic_mass": 18.99840316, "cpk_hex_color": { "red": 144, "green": 224, "blue": 80 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 5 } ], "electronegativity": 3.98, "atomic_radius": 135, "ionization_energy": 17.423, "electron_affinity": 3.339, "oxidation_states": [ -1 ], "standard_state": "Gas", "melting_point": 53.53, "boiling_point": 85.03, "density": 0.001696, "group_block": "Halogen", "year_discovered": 1670 }, { "atomic_number": 10, "symbol": "Ne", "name": "Neon", "atomic_mass": 20.18, "cpk_hex_color": { "red": 179, "green": 227, "blue": 245 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 } ], "electronegativity": "", "atomic_radius": 154, "ionization_energy": 21.565, "electron_affinity": "", "oxidation_states": [ 0 ], "standard_state": "Gas", "melting_point": 24.56, "boiling_point": 27.07, "density": 0.0008999, "group_block": "NobleGas", "year_discovered": 1898 }, { "atomic_number": 11, "symbol": "Na", "name": "Sodium", "atomic_mass": 22.9897693, "cpk_hex_color": { "red": 171, "green": 92, "blue": 242 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 1 } ], "electronegativity": 0.93, "atomic_radius": 227, "ionization_energy": 5.139, "electron_affinity": 0.548, "oxidation_states": [ 1 ], "standard_state": "Solid", "melting_point": 370.95, "boiling_point": 1156, "density": 0.97, "group_block": "AlkaliMetal", "year_discovered": 1807 }, { "atomic_number": 12, "symbol": "Mg", "name": "Magnesium", "atomic_mass": 24.305, "cpk_hex_color": { "red": 138, "green": 255, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 } ], "electronegativity": 1.31, "atomic_radius": 173, "ionization_energy": 7.646, "electron_affinity": "", "oxidation_states": [ 2 ], "standard_state": "Solid", "melting_point": 923, "boiling_point": 1363, "density": 1.74, "group_block": "AlkalineEarthMetal", "year_discovered": 1808 }, { "atomic_number": 13, "symbol": "Al", "name": "Aluminum", "atomic_mass": 26.981538, "cpk_hex_color": { "red": 191, "green": 166, "blue": 166 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 1 } ], "electronegativity": 1.61, "atomic_radius": 184, "ionization_energy": 5.986, "electron_affinity": 0.441, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 933.437, "boiling_point": 2792, "density": 2.7, "group_block": "PostTransitionMetal", "year_discovered": "Ancient" }, { "atomic_number": 14, "symbol": "Si", "name": "Silicon", "atomic_mass": 28.085, "cpk_hex_color": { "red": 240, "green": 200, "blue": 160 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 2 } ], "electronegativity": 1.9, "atomic_radius": 210, "ionization_energy": 8.152, "electron_affinity": 1.385, "oxidation_states": [ 4, 2, -4 ], "standard_state": "Solid", "melting_point": 1687, "boiling_point": 3538, "density": 2.3296, "group_block": "Metalloid", "year_discovered": 1854 }, { "atomic_number": 15, "symbol": "P", "name": "Phosphorus", "atomic_mass": 30.973762, "cpk_hex_color": { "red": 255, "green": 128, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 3 } ], "electronegativity": 2.19, "atomic_radius": 180, "ionization_energy": 10.487, "electron_affinity": 0.746, "oxidation_states": [ 5, 3, -3 ], "standard_state": "Solid", "melting_point": 317.3, "boiling_point": 553.65, "density": 1.82, "group_block": "Nonmetal", "year_discovered": 1669 }, { "atomic_number": 16, "symbol": "S", "name": "Sulfur", "atomic_mass": 32.07, "cpk_hex_color": { "red": 255, "green": 255, "blue": 48 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 4 } ], "electronegativity": 2.58, "atomic_radius": 180, "ionization_energy": 10.36, "electron_affinity": 2.077, "oxidation_states": [ 6, 4, -2 ], "standard_state": "Solid", "melting_point": 388.36, "boiling_point": 717.75, "density": 2.067, "group_block": "Nonmetal", "year_discovered": "Ancient" }, { "atomic_number": 17, "symbol": "Cl", "name": "Chlorine", "atomic_mass": 35.45, "cpk_hex_color": { "red": 31, "green": 240, "blue": 31 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 5 } ], "electronegativity": 3.16, "atomic_radius": 175, "ionization_energy": 12.968, "electron_affinity": 3.617, "oxidation_states": [ 7, 5, 1, -1 ], "standard_state": "Gas", "melting_point": 171.65, "boiling_point": 239.11, "density": 0.003214, "group_block": "Halogen", "year_discovered": 1774 }, { "atomic_number": 18, "symbol": "Ar", "name": "Argon", "atomic_mass": 39.9, "cpk_hex_color": { "red": 128, "green": 209, "blue": 227 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 } ], "electronegativity": "", "atomic_radius": 188, "ionization_energy": 15.76, "electron_affinity": "", "oxidation_states": [ 0 ], "standard_state": "Gas", "melting_point": 83.8, "boiling_point": 87.3, "density": 0.0017837, "group_block": "NobleGas", "year_discovered": 1894 }, { "atomic_number": 19, "symbol": "K", "name": "Potassium", "atomic_mass": 39.0983, "cpk_hex_color": { "red": 143, "green": 64, "blue": 212 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 1 } ], "electronegativity": 0.82, "atomic_radius": 275, "ionization_energy": 4.341, "electron_affinity": 0.501, "oxidation_states": [ 1 ], "standard_state": "Solid", "melting_point": 336.53, "boiling_point": 1032, "density": 0.89, "group_block": "AlkaliMetal", "year_discovered": 1807 }, { "atomic_number": 20, "symbol": "Ca", "name": "Calcium", "atomic_mass": 40.08, "cpk_hex_color": { "red": 61, "green": 255, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 } ], "electronegativity": 1, "atomic_radius": 231, "ionization_energy": 6.113, "electron_affinity": "", "oxidation_states": [ 2 ], "standard_state": "Solid", "melting_point": 1115, "boiling_point": 1757, "density": 1.54, "group_block": "AlkalineEarthMetal", "year_discovered": "Ancient" }, { "atomic_number": 21, "symbol": "Sc", "name": "Scandium", "atomic_mass": 44.95591, "cpk_hex_color": { "red": 230, "green": 230, "blue": 230 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.36, "atomic_radius": 211, "ionization_energy": 6.561, "electron_affinity": 0.188, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1814, "boiling_point": 3109, "density": 2.99, "group_block": "TransitionMetal", "year_discovered": 1879 }, { "atomic_number": 22, "symbol": "Ti", "name": "Titanium", "atomic_mass": 47.867, "cpk_hex_color": { "red": 191, "green": 194, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 2 } ], "electronegativity": 1.54, "atomic_radius": 187, "ionization_energy": 6.828, "electron_affinity": 0.079, "oxidation_states": [ 4, 3, 2 ], "standard_state": "Solid", "melting_point": 1941, "boiling_point": 3560, "density": 4.5, "group_block": "TransitionMetal", "year_discovered": 1791 }, { "atomic_number": 23, "symbol": "V", "name": "Vanadium", "atomic_mass": 50.9415, "cpk_hex_color": { "red": 166, "green": 166, "blue": 171 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 3 } ], "electronegativity": 1.63, "atomic_radius": 179, "ionization_energy": 6.746, "electron_affinity": 0.525, "oxidation_states": [ 5, 4, 3, 2 ], "standard_state": "Solid", "melting_point": 2183, "boiling_point": 3680, "density": 6, "group_block": "TransitionMetal", "year_discovered": 1801 }, { "atomic_number": 24, "symbol": "Cr", "name": "Chromium", "atomic_mass": 51.996, "cpk_hex_color": { "red": 138, "green": 153, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "d", "electrons": 5 }, { "energy_level": 4, "orbital": "s", "electrons": 1 } ], "electronegativity": 1.66, "atomic_radius": 189, "ionization_energy": 6.767, "electron_affinity": 0.666, "oxidation_states": [ 6, 3, 2 ], "standard_state": "Solid", "melting_point": 2180, "boiling_point": 2944, "density": 7.15, "group_block": "TransitionMetal", "year_discovered": 1797 }, { "atomic_number": 25, "symbol": "Mn", "name": "Manganese", "atomic_mass": 54.93804, "cpk_hex_color": { "red": 156, "green": 122, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 5 } ], "electronegativity": 1.55, "atomic_radius": 197, "ionization_energy": 7.434, "electron_affinity": "", "oxidation_states": [ 7, 4, 3, 2 ], "standard_state": "Solid", "melting_point": 1519, "boiling_point": 2334, "density": 7.3, "group_block": "TransitionMetal", "year_discovered": 1774 }, { "atomic_number": 26, "symbol": "Fe", "name": "Iron", "atomic_mass": 55.84, "cpk_hex_color": { "red": 224, "green": 102, "blue": 51 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 6 } ], "electronegativity": 1.83, "atomic_radius": 194, "ionization_energy": 7.902, "electron_affinity": 0.163, "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1811, "boiling_point": 3134, "density": 7.874, "group_block": "TransitionMetal", "year_discovered": "Ancient" }, { "atomic_number": 27, "symbol": "Co", "name": "Cobalt", "atomic_mass": 58.93319, "cpk_hex_color": { "red": 240, "green": 144, "blue": 160 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 7 } ], "electronegativity": 1.88, "atomic_radius": 192, "ionization_energy": 7.881, "electron_affinity": 0.661, "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1768, "boiling_point": 3200, "density": 8.86, "group_block": "TransitionMetal", "year_discovered": 1735 }, { "atomic_number": 28, "symbol": "Ni", "name": "Nickel", "atomic_mass": 58.693, "cpk_hex_color": { "red": 80, "green": 208, "blue": 80 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 8 } ], "electronegativity": 1.91, "atomic_radius": 163, "ionization_energy": 7.64, "electron_affinity": 1.156, "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1728, "boiling_point": 3186, "density": 8.912, "group_block": "TransitionMetal", "year_discovered": 1751 }, { "atomic_number": 29, "symbol": "Cu", "name": "Copper", "atomic_mass": 63.55, "cpk_hex_color": { "red": 200, "green": 128, "blue": 51 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 1 }, { "energy_level": 3, "orbital": "d", "electrons": 10 } ], "electronegativity": 1.9, "atomic_radius": 140, "ionization_energy": 7.726, "electron_affinity": 1.228, "oxidation_states": [ 2, 1 ], "standard_state": "Solid", "melting_point": 1357.77, "boiling_point": 2835, "density": 8.933, "group_block": "TransitionMetal", "year_discovered": "Ancient" }, { "atomic_number": 30, "symbol": "Zn", "name": "Zinc", "atomic_mass": 65.4, "cpk_hex_color": { "red": 125, "green": 128, "blue": 176 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 } ], "electronegativity": 1.65, "atomic_radius": 139, "ionization_energy": 9.394, "electron_affinity": "", "oxidation_states": [ 2 ], "standard_state": "Solid", "melting_point": 692.68, "boiling_point": 1180, "density": 7.134, "group_block": "TransitionMetal", "year_discovered": 1746 }, { "atomic_number": 31, "symbol": "Ga", "name": "Gallium", "atomic_mass": 69.723, "cpk_hex_color": { "red": 194, "green": 143, "blue": 143 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 1 } ], "electronegativity": 1.81, "atomic_radius": 187, "ionization_energy": 5.999, "electron_affinity": 0.3, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 302.91, "boiling_point": 2477, "density": 5.91, "group_block": "PostTransitionMetal", "year_discovered": 1875 }, { "atomic_number": 32, "symbol": "Ge", "name": "Germanium", "atomic_mass": 72.63, "cpk_hex_color": { "red": 102, "green": 143, "blue": 143 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 2 } ], "electronegativity": 2.01, "atomic_radius": 211, "ionization_energy": 7.9, "electron_affinity": 1.35, "oxidation_states": [ 4, 2 ], "standard_state": "Solid", "melting_point": 1211.4, "boiling_point": 3106, "density": 5.323, "group_block": "Metalloid", "year_discovered": 1886 }, { "atomic_number": 33, "symbol": "As", "name": "Arsenic", "atomic_mass": 74.92159, "cpk_hex_color": { "red": 189, "green": 128, "blue": 227 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 3 } ], "electronegativity": 2.18, "atomic_radius": 185, "ionization_energy": 9.815, "electron_affinity": 0.81, "oxidation_states": [ 5, 3, -3 ], "standard_state": "Solid", "melting_point": 1090, "boiling_point": 887, "density": 5.776, "group_block": "Metalloid", "year_discovered": "Ancient" }, { "atomic_number": 34, "symbol": "Se", "name": "Selenium", "atomic_mass": 78.97, "cpk_hex_color": { "red": 255, "green": 161, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 4 } ], "electronegativity": 2.55, "atomic_radius": 190, "ionization_energy": 9.752, "electron_affinity": 2.021, "oxidation_states": [ 6, 4, -2 ], "standard_state": "Solid", "melting_point": 493.65, "boiling_point": 958, "density": 4.809, "group_block": "Nonmetal", "year_discovered": 1817 }, { "atomic_number": 35, "symbol": "Br", "name": "Bromine", "atomic_mass": 79.9, "cpk_hex_color": { "red": 166, "green": 41, "blue": 41 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 5 } ], "electronegativity": 2.96, "atomic_radius": 183, "ionization_energy": 11.814, "electron_affinity": 3.365, "oxidation_states": [ 5, 1, -1 ], "standard_state": "Liquid", "melting_point": 265.95, "boiling_point": 331.95, "density": 3.11, "group_block": "Halogen", "year_discovered": 1826 }, { "atomic_number": 36, "symbol": "Kr", "name": "Krypton", "atomic_mass": 83.8, "cpk_hex_color": { "red": 92, "green": 184, "blue": 209 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 } ], "electronegativity": 3, "atomic_radius": 202, "ionization_energy": 14, "electron_affinity": "", "oxidation_states": [ 0 ], "standard_state": "Gas", "melting_point": 115.79, "boiling_point": 119.93, "density": 0.003733, "group_block": "NobleGas", "year_discovered": 1898 }, { "atomic_number": 37, "symbol": "Rb", "name": "Rubidium", "atomic_mass": 85.468, "cpk_hex_color": { "red": 112, "green": 46, "blue": 176 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 1 } ], "electronegativity": 0.82, "atomic_radius": 303, "ionization_energy": 4.177, "electron_affinity": 0.468, "oxidation_states": [ 1 ], "standard_state": "Solid", "melting_point": 312.46, "boiling_point": 961, "density": 1.53, "group_block": "AlkaliMetal", "year_discovered": 1861 }, { "atomic_number": 38, "symbol": "Sr", "name": "Strontium", "atomic_mass": 87.62, "cpk_hex_color": { "red": 0, "green": 255, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 } ], "electronegativity": 0.95, "atomic_radius": 249, "ionization_energy": 5.695, "electron_affinity": "", "oxidation_states": [ 2 ], "standard_state": "Solid", "melting_point": 1050, "boiling_point": 1655, "density": 2.64, "group_block": "AlkalineEarthMetal", "year_discovered": 1790 }, { "atomic_number": 39, "symbol": "Y", "name": "Yttrium", "atomic_mass": 88.90584, "cpk_hex_color": { "red": 148, "green": 255, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.22, "atomic_radius": 219, "ionization_energy": 6.217, "electron_affinity": 0.307, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1795, "boiling_point": 3618, "density": 4.47, "group_block": "TransitionMetal", "year_discovered": 1794 }, { "atomic_number": 40, "symbol": "Zr", "name": "Zirconium", "atomic_mass": 91.22, "cpk_hex_color": { "red": 148, "green": 224, "blue": 224 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 2 } ], "electronegativity": 1.33, "atomic_radius": 186, "ionization_energy": 6.634, "electron_affinity": 0.426, "oxidation_states": [ 4 ], "standard_state": "Solid", "melting_point": 2128, "boiling_point": 4682, "density": 6.52, "group_block": "TransitionMetal", "year_discovered": 1789 }, { "atomic_number": 41, "symbol": "Nb", "name": "Niobium", "atomic_mass": 92.90637, "cpk_hex_color": { "red": 115, "green": 194, "blue": 201 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 1 }, { "energy_level": 4, "orbital": "d", "electrons": 4 } ], "electronegativity": 1.6, "atomic_radius": 207, "ionization_energy": 6.759, "electron_affinity": 0.893, "oxidation_states": [ 5, 3 ], "standard_state": "Solid", "melting_point": 2750, "boiling_point": 5017, "density": 8.57, "group_block": "TransitionMetal", "year_discovered": 1801 }, { "atomic_number": 42, "symbol": "Mo", "name": "Molybdenum", "atomic_mass": 95.95, "cpk_hex_color": { "red": 84, "green": 181, "blue": 181 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 1 }, { "energy_level": 4, "orbital": "d", "electrons": 5 } ], "electronegativity": 2.16, "atomic_radius": 209, "ionization_energy": 7.092, "electron_affinity": 0.746, "oxidation_states": [ 6 ], "standard_state": "Solid", "melting_point": 2896, "boiling_point": 4912, "density": 10.2, "group_block": "TransitionMetal", "year_discovered": 1778 }, { "atomic_number": 43, "symbol": "Tc", "name": "Technetium", "atomic_mass": 96.90636, "cpk_hex_color": { "red": 59, "green": 158, "blue": 158 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 5 } ], "electronegativity": 1.9, "atomic_radius": 209, "ionization_energy": 7.28, "electron_affinity": 0.55, "oxidation_states": [ 7, 6, 4 ], "standard_state": "Solid", "melting_point": 2430, "boiling_point": 4538, "density": 11, "group_block": "TransitionMetal", "year_discovered": 1937 }, { "atomic_number": 44, "symbol": "Ru", "name": "Ruthenium", "atomic_mass": 101.1, "cpk_hex_color": { "red": 36, "green": 143, "blue": 143 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 1 }, { "energy_level": 4, "orbital": "d", "electrons": 7 } ], "electronegativity": 2.2, "atomic_radius": 207, "ionization_energy": 7.361, "electron_affinity": 1.05, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 2607, "boiling_point": 4423, "density": 12.1, "group_block": "TransitionMetal", "year_discovered": 1827 }, { "atomic_number": 45, "symbol": "Rh", "name": "Rhodium", "atomic_mass": 102.9055, "cpk_hex_color": { "red": 10, "green": 125, "blue": 140 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 1 }, { "energy_level": 4, "orbital": "d", "electrons": 8 } ], "electronegativity": 2.28, "atomic_radius": 195, "ionization_energy": 7.459, "electron_affinity": 1.137, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 2237, "boiling_point": 3968, "density": 12.4, "group_block": "TransitionMetal", "year_discovered": 1803 }, { "atomic_number": 46, "symbol": "Pd", "name": "Palladium", "atomic_mass": 106.42, "cpk_hex_color": { "red": 0, "green": 105, "blue": 133 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "d", "electrons": 10 } ], "electronegativity": 2.2, "atomic_radius": 202, "ionization_energy": 8.337, "electron_affinity": 0.557, "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1828.05, "boiling_point": 3236, "density": 12, "group_block": "TransitionMetal", "year_discovered": 1803 }, { "atomic_number": 47, "symbol": "Ag", "name": "Silver", "atomic_mass": 107.868, "cpk_hex_color": { "red": 192, "green": 192, "blue": 192 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 1 }, { "energy_level": 4, "orbital": "d", "electrons": 10 } ], "electronegativity": 1.93, "atomic_radius": 172, "ionization_energy": 7.576, "electron_affinity": 1.302, "oxidation_states": [ 1 ], "standard_state": "Solid", "melting_point": 1234.93, "boiling_point": 2435, "density": 10.501, "group_block": "TransitionMetal", "year_discovered": "Ancient" }, { "atomic_number": 48, "symbol": "Cd", "name": "Cadmium", "atomic_mass": 112.41, "cpk_hex_color": { "red": 255, "green": 217, "blue": 143 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 } ], "electronegativity": 1.69, "atomic_radius": 158, "ionization_energy": 8.994, "electron_affinity": "", "oxidation_states": [ 2 ], "standard_state": "Solid", "melting_point": 594.22, "boiling_point": 1040, "density": 8.69, "group_block": "TransitionMetal", "year_discovered": 1817 }, { "atomic_number": 49, "symbol": "In", "name": "Indium", "atomic_mass": 114.818, "cpk_hex_color": { "red": 166, "green": 117, "blue": 115 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 1 } ], "electronegativity": 1.78, "atomic_radius": 193, "ionization_energy": 5.786, "electron_affinity": 0.3, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 429.75, "boiling_point": 2345, "density": 7.31, "group_block": "PostTransitionMetal", "year_discovered": 1863 }, { "atomic_number": 50, "symbol": "Sn", "name": "Tin", "atomic_mass": 118.71, "cpk_hex_color": { "red": 102, "green": 128, "blue": 128 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 2 } ], "electronegativity": 1.96, "atomic_radius": 217, "ionization_energy": 7.344, "electron_affinity": 1.2, "oxidation_states": [ 4, 2 ], "standard_state": "Solid", "melting_point": 505.08, "boiling_point": 2875, "density": 7.287, "group_block": "PostTransitionMetal", "year_discovered": "Ancient" }, { "atomic_number": 51, "symbol": "Sb", "name": "Antimony", "atomic_mass": 121.76, "cpk_hex_color": { "red": 158, "green": 99, "blue": 181 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 3 } ], "electronegativity": 2.05, "atomic_radius": 206, "ionization_energy": 8.64, "electron_affinity": 1.07, "oxidation_states": [ 5, 3, -3 ], "standard_state": "Solid", "melting_point": 903.78, "boiling_point": 1860, "density": 6.685, "group_block": "Metalloid", "year_discovered": "Ancient" }, { "atomic_number": 52, "symbol": "Te", "name": "Tellurium", "atomic_mass": 127.6, "cpk_hex_color": { "red": 212, "green": 122, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 4 } ], "electronegativity": 2.1, "atomic_radius": 206, "ionization_energy": 9.01, "electron_affinity": 1.971, "oxidation_states": [ 6, 4, -2 ], "standard_state": "Solid", "melting_point": 722.66, "boiling_point": 1261, "density": 6.232, "group_block": "Metalloid", "year_discovered": 1782 }, { "atomic_number": 53, "symbol": "I", "name": "Iodine", "atomic_mass": 126.9045, "cpk_hex_color": { "red": 148, "green": 0, "blue": 148 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 5 } ], "electronegativity": 2.66, "atomic_radius": 198, "ionization_energy": 10.451, "electron_affinity": 3.059, "oxidation_states": [ 7, 5, 1, -1 ], "standard_state": "Solid", "melting_point": 386.85, "boiling_point": 457.55, "density": 4.93, "group_block": "Halogen", "year_discovered": 1811 }, { "atomic_number": 54, "symbol": "Xe", "name": "Xenon", "atomic_mass": 131.29, "cpk_hex_color": { "red": 66, "green": 158, "blue": 176 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 } ], "electronegativity": 2.6, "atomic_radius": 216, "ionization_energy": 12.13, "electron_affinity": "", "oxidation_states": [ 0 ], "standard_state": "Gas", "melting_point": 161.36, "boiling_point": 165.03, "density": 0.005887, "group_block": "NobleGas", "year_discovered": 1898 }, { "atomic_number": 55, "symbol": "Cs", "name": "Cesium", "atomic_mass": 132.905452, "cpk_hex_color": { "red": 87, "green": 23, "blue": 143 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 1 } ], "electronegativity": 0.79, "atomic_radius": 343, "ionization_energy": 3.894, "electron_affinity": 0.472, "oxidation_states": [ 1 ], "standard_state": "Solid", "melting_point": 301.59, "boiling_point": 944, "density": 1.93, "group_block": "AlkaliMetal", "year_discovered": 1860 }, { "atomic_number": 56, "symbol": "Ba", "name": "Barium", "atomic_mass": 137.33, "cpk_hex_color": { "red": 0, "green": 201, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 } ], "electronegativity": 0.89, "atomic_radius": 268, "ionization_energy": 5.212, "electron_affinity": "", "oxidation_states": [ 2 ], "standard_state": "Solid", "melting_point": 1000, "boiling_point": 2170, "density": 3.62, "group_block": "AlkalineEarthMetal", "year_discovered": 1808 }, { "atomic_number": 57, "symbol": "La", "name": "Lanthanum", "atomic_mass": 138.9055, "cpk_hex_color": { "red": 112, "green": 212, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.1, "atomic_radius": 240, "ionization_energy": 5.577, "electron_affinity": 0.5, "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1191, "boiling_point": 3737, "density": 6.15, "group_block": "Lanthanide", "year_discovered": 1839 }, { "atomic_number": 58, "symbol": "Ce", "name": "Cerium", "atomic_mass": 140.116, "cpk_hex_color": { "red": 255, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 1 }, { "energy_level": 5, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.12, "atomic_radius": 235, "ionization_energy": 5.539, "electron_affinity": 0.5, "oxidation_states": [ 4, 3 ], "standard_state": "Solid", "melting_point": 1071, "boiling_point": 3697, "density": 6.77, "group_block": "Lanthanide", "year_discovered": 1803 }, { "atomic_number": 59, "symbol": "Pr", "name": "Praseodymium", "atomic_mass": 140.90766, "cpk_hex_color": { "red": 217, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 3 } ], "electronegativity": 1.13, "atomic_radius": 239, "ionization_energy": 5.464, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1204, "boiling_point": 3793, "density": 6.77, "group_block": "Lanthanide", "year_discovered": 1885 }, { "atomic_number": 60, "symbol": "Nd", "name": "Neodymium", "atomic_mass": 144.24, "cpk_hex_color": { "red": 199, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 4 } ], "electronegativity": 1.14, "atomic_radius": 229, "ionization_energy": 5.525, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1294, "boiling_point": 3347, "density": 7.01, "group_block": "Lanthanide", "year_discovered": 1885 }, { "atomic_number": 61, "symbol": "Pm", "name": "Promethium", "atomic_mass": 144.91276, "cpk_hex_color": { "red": 163, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 5 } ], "electronegativity": "", "atomic_radius": 236, "ionization_energy": 5.55, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1315, "boiling_point": 3273, "density": 7.26, "group_block": "Lanthanide", "year_discovered": 1945 }, { "atomic_number": 62, "symbol": "Sm", "name": "Samarium", "atomic_mass": 150.4, "cpk_hex_color": { "red": 143, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 6 } ], "electronegativity": 1.17, "atomic_radius": 229, "ionization_energy": 5.644, "electron_affinity": "", "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1347, "boiling_point": 2067, "density": 7.52, "group_block": "Lanthanide", "year_discovered": 1879 }, { "atomic_number": 63, "symbol": "Eu", "name": "Europium", "atomic_mass": 151.964, "cpk_hex_color": { "red": 97, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 7 } ], "electronegativity": "", "atomic_radius": 233, "ionization_energy": 5.67, "electron_affinity": "", "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1095, "boiling_point": 1802, "density": 5.24, "group_block": "Lanthanide", "year_discovered": 1901 }, { "atomic_number": 64, "symbol": "Gd", "name": "Gadolinium", "atomic_mass": 157.2, "cpk_hex_color": { "red": 69, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 7 }, { "energy_level": 5, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.2, "atomic_radius": 237, "ionization_energy": 6.15, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1586, "boiling_point": 3546, "density": 7.9, "group_block": "Lanthanide", "year_discovered": 1880 }, { "atomic_number": 65, "symbol": "Tb", "name": "Terbium", "atomic_mass": 158.92535, "cpk_hex_color": { "red": 48, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 9 } ], "electronegativity": "", "atomic_radius": 221, "ionization_energy": 5.864, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1629, "boiling_point": 3503, "density": 8.23, "group_block": "Lanthanide", "year_discovered": 1843 }, { "atomic_number": 66, "symbol": "Dy", "name": "Dysprosium", "atomic_mass": 162.5, "cpk_hex_color": { "red": 31, "green": 255, "blue": 199 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 10 } ], "electronegativity": 1.22, "atomic_radius": 229, "ionization_energy": 5.939, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1685, "boiling_point": 2840, "density": 8.55, "group_block": "Lanthanide", "year_discovered": 1886 }, { "atomic_number": 67, "symbol": "Ho", "name": "Holmium", "atomic_mass": 164.93033, "cpk_hex_color": { "red": 0, "green": 255, "blue": 156 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 11 } ], "electronegativity": 1.23, "atomic_radius": 216, "ionization_energy": 6.022, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1747, "boiling_point": 2973, "density": 8.8, "group_block": "Lanthanide", "year_discovered": 1878 }, { "atomic_number": 68, "symbol": "Er", "name": "Erbium", "atomic_mass": 167.26, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 12 } ], "electronegativity": 1.24, "atomic_radius": 235, "ionization_energy": 6.108, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1802, "boiling_point": 3141, "density": 9.07, "group_block": "Lanthanide", "year_discovered": 1843 }, { "atomic_number": 69, "symbol": "Tm", "name": "Thulium", "atomic_mass": 168.93422, "cpk_hex_color": { "red": 0, "green": 212, "blue": 82 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 13 } ], "electronegativity": 1.25, "atomic_radius": 227, "ionization_energy": 6.184, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1818, "boiling_point": 2223, "density": 9.32, "group_block": "Lanthanide", "year_discovered": 1879 }, { "atomic_number": 70, "symbol": "Yb", "name": "Ytterbium", "atomic_mass": 173.05, "cpk_hex_color": { "red": 0, "green": 191, "blue": 56 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 } ], "electronegativity": "", "atomic_radius": 242, "ionization_energy": 6.254, "electron_affinity": "", "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1092, "boiling_point": 1469, "density": 6.9, "group_block": "Lanthanide", "year_discovered": 1878 }, { "atomic_number": 71, "symbol": "Lu", "name": "Lutetium", "atomic_mass": 174.9668, "cpk_hex_color": { "red": 0, "green": 171, "blue": 36 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.27, "atomic_radius": 221, "ionization_energy": 5.426, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1936, "boiling_point": 3675, "density": 9.84, "group_block": "Lanthanide", "year_discovered": 1907 }, { "atomic_number": 72, "symbol": "Hf", "name": "Hafnium", "atomic_mass": 178.49, "cpk_hex_color": { "red": 77, "green": 194, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 2 } ], "electronegativity": 1.3, "atomic_radius": 212, "ionization_energy": 6.825, "electron_affinity": "", "oxidation_states": [ 4 ], "standard_state": "Solid", "melting_point": 2506, "boiling_point": 4876, "density": 13.3, "group_block": "TransitionMetal", "year_discovered": 1923 }, { "atomic_number": 73, "symbol": "Ta", "name": "Tantalum", "atomic_mass": 180.9479, "cpk_hex_color": { "red": 77, "green": 166, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 3 } ], "electronegativity": 1.5, "atomic_radius": 217, "ionization_energy": 7.89, "electron_affinity": 0.322, "oxidation_states": [ 5 ], "standard_state": "Solid", "melting_point": 3290, "boiling_point": 5731, "density": 16.4, "group_block": "TransitionMetal", "year_discovered": 1802 }, { "atomic_number": 74, "symbol": "W", "name": "Tungsten", "atomic_mass": 183.84, "cpk_hex_color": { "red": 33, "green": 148, "blue": 214 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 4 } ], "electronegativity": 2.36, "atomic_radius": 210, "ionization_energy": 7.98, "electron_affinity": 0.815, "oxidation_states": [ 6 ], "standard_state": "Solid", "melting_point": 3695, "boiling_point": 5828, "density": 19.3, "group_block": "TransitionMetal", "year_discovered": 1783 }, { "atomic_number": 75, "symbol": "Re", "name": "Rhenium", "atomic_mass": 186.207, "cpk_hex_color": { "red": 38, "green": 125, "blue": 171 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 5 } ], "electronegativity": 1.9, "atomic_radius": 217, "ionization_energy": 7.88, "electron_affinity": 0.15, "oxidation_states": [ 7, 6, 4 ], "standard_state": "Solid", "melting_point": 3459, "boiling_point": 5869, "density": 20.8, "group_block": "TransitionMetal", "year_discovered": 1925 }, { "atomic_number": 76, "symbol": "Os", "name": "Osmium", "atomic_mass": 190.2, "cpk_hex_color": { "red": 38, "green": 102, "blue": 150 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 6 } ], "electronegativity": 2.2, "atomic_radius": 216, "ionization_energy": 8.7, "electron_affinity": 1.1, "oxidation_states": [ 4, 3 ], "standard_state": "Solid", "melting_point": 3306, "boiling_point": 5285, "density": 22.57, "group_block": "TransitionMetal", "year_discovered": 1803 }, { "atomic_number": 77, "symbol": "Ir", "name": "Iridium", "atomic_mass": 192.22, "cpk_hex_color": { "red": 23, "green": 84, "blue": 135 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 7 } ], "electronegativity": 2.2, "atomic_radius": 202, "ionization_energy": 9.1, "electron_affinity": 1.565, "oxidation_states": [ 4, 3 ], "standard_state": "Solid", "melting_point": 2719, "boiling_point": 4701, "density": 22.42, "group_block": "TransitionMetal", "year_discovered": 1803 }, { "atomic_number": 78, "symbol": "Pt", "name": "Platinum", "atomic_mass": 195.08, "cpk_hex_color": { "red": 208, "green": 208, "blue": 224 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 1 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 9 } ], "electronegativity": 2.28, "atomic_radius": 209, "ionization_energy": 9, "electron_affinity": 2.128, "oxidation_states": [ 4, 2 ], "standard_state": "Solid", "melting_point": 2041.55, "boiling_point": 4098, "density": 21.46, "group_block": "TransitionMetal", "year_discovered": 1735 }, { "atomic_number": 79, "symbol": "Au", "name": "Gold", "atomic_mass": 196.96657, "cpk_hex_color": { "red": 255, "green": 209, "blue": 35 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 1 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 } ], "electronegativity": 2.54, "atomic_radius": 166, "ionization_energy": 9.226, "electron_affinity": 2.309, "oxidation_states": [ 3, 1 ], "standard_state": "Solid", "melting_point": 1337.33, "boiling_point": 3129, "density": 19.282, "group_block": "TransitionMetal", "year_discovered": "Ancient" }, { "atomic_number": 80, "symbol": "Hg", "name": "Mercury", "atomic_mass": 200.59, "cpk_hex_color": { "red": 184, "green": 184, "blue": 208 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 } ], "electronegativity": 2, "atomic_radius": 209, "ionization_energy": 10.438, "electron_affinity": "", "oxidation_states": [ 2, 1 ], "standard_state": "Liquid", "melting_point": 234.32, "boiling_point": 629.88, "density": 13.5336, "group_block": "TransitionMetal", "year_discovered": "Ancient" }, { "atomic_number": 81, "symbol": "Tl", "name": "Thallium", "atomic_mass": 204.383, "cpk_hex_color": { "red": 166, "green": 84, "blue": 77 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 1 } ], "electronegativity": 1.62, "atomic_radius": 196, "ionization_energy": 6.108, "electron_affinity": 0.2, "oxidation_states": [ 3, 1 ], "standard_state": "Solid", "melting_point": 577, "boiling_point": 1746, "density": 11.8, "group_block": "PostTransitionMetal", "year_discovered": 1861 }, { "atomic_number": 82, "symbol": "Pb", "name": "Lead", "atomic_mass": 207, "cpk_hex_color": { "red": 87, "green": 89, "blue": 97 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 2 } ], "electronegativity": 2.33, "atomic_radius": 202, "ionization_energy": 7.417, "electron_affinity": 0.36, "oxidation_states": [ 4, 2 ], "standard_state": "Solid", "melting_point": 600.61, "boiling_point": 2022, "density": 11.342, "group_block": "PostTransitionMetal", "year_discovered": "Ancient" }, { "atomic_number": 83, "symbol": "Bi", "name": "Bismuth", "atomic_mass": 208.9804, "cpk_hex_color": { "red": 158, "green": 79, "blue": 181 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 3 } ], "electronegativity": 2.02, "atomic_radius": 207, "ionization_energy": 7.289, "electron_affinity": 0.946, "oxidation_states": [ 5, 3 ], "standard_state": "Solid", "melting_point": 544.55, "boiling_point": 1837, "density": 9.807, "group_block": "PostTransitionMetal", "year_discovered": 1753 }, { "atomic_number": 84, "symbol": "Po", "name": "Polonium", "atomic_mass": 208.98243, "cpk_hex_color": { "red": 171, "green": 92, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 4 } ], "electronegativity": 2, "atomic_radius": 197, "ionization_energy": 8.417, "electron_affinity": 1.9, "oxidation_states": [ 4, 2 ], "standard_state": "Solid", "melting_point": 527, "boiling_point": 1235, "density": 9.32, "group_block": "Metalloid", "year_discovered": 1898 }, { "atomic_number": 85, "symbol": "At", "name": "Astatine", "atomic_mass": 209.98715, "cpk_hex_color": { "red": 117, "green": 79, "blue": 69 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 5 } ], "electronegativity": 2.2, "atomic_radius": 202, "ionization_energy": 9.5, "electron_affinity": 2.8, "oxidation_states": [ 7, 5, 3, 1, -1 ], "standard_state": "Solid", "melting_point": 575, "boiling_point": 623.0, "density": 7, "group_block": "Halogen", "year_discovered": 1940 }, { "atomic_number": 86, "symbol": "Rn", "name": "Radon", "atomic_mass": 222.01758, "cpk_hex_color": { "red": 66, "green": 130, "blue": 150 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 } ], "electronegativity": "", "atomic_radius": 220, "ionization_energy": 10.745, "electron_affinity": "", "oxidation_states": [ 0 ], "standard_state": "Gas", "melting_point": 202, "boiling_point": 211.45, "density": 0.00973, "group_block": "NobleGas", "year_discovered": 1900 }, { "atomic_number": 87, "symbol": "Fr", "name": "Francium", "atomic_mass": 223.01973, "cpk_hex_color": { "red": 66, "green": 0, "blue": 102 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 1 } ], "electronegativity": 0.7, "atomic_radius": 348, "ionization_energy": 3.9, "electron_affinity": 0.47, "oxidation_states": [ 1 ], "standard_state": "Solid", "melting_point": 300, "boiling_point": 923.0, "density": "", "group_block": "AlkaliMetal", "year_discovered": 1939 }, { "atomic_number": 88, "symbol": "Ra", "name": "Radium", "atomic_mass": 226.02541, "cpk_hex_color": { "red": 0, "green": 125, "blue": 0 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 } ], "electronegativity": 0.9, "atomic_radius": 283, "ionization_energy": 5.279, "electron_affinity": "", "oxidation_states": [ 2 ], "standard_state": "Solid", "melting_point": 973, "boiling_point": 1413, "density": 5, "group_block": "AlkalineEarthMetal", "year_discovered": 1898 }, { "atomic_number": 89, "symbol": "Ac", "name": "Actinium", "atomic_mass": 227.02775, "cpk_hex_color": { "red": 112, "green": 171, "blue": 250 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 6, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.1, "atomic_radius": 260, "ionization_energy": 5.17, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1324, "boiling_point": 3471, "density": 10.07, "group_block": "Actinide", "year_discovered": 1899 }, { "atomic_number": 90, "symbol": "Th", "name": "Thorium", "atomic_mass": 232.038, "cpk_hex_color": { "red": 0, "green": 186, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 6, "orbital": "d", "electrons": 2 } ], "electronegativity": 1.3, "atomic_radius": 237, "ionization_energy": 6.08, "electron_affinity": "", "oxidation_states": [ 4 ], "standard_state": "Solid", "melting_point": 2023, "boiling_point": 5061, "density": 11.72, "group_block": "Actinide", "year_discovered": 1828 }, { "atomic_number": 91, "symbol": "Pa", "name": "Protactinium", "atomic_mass": 231.03588, "cpk_hex_color": { "red": 0, "green": 161, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 2 }, { "energy_level": 6, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.5, "atomic_radius": 243, "ionization_energy": 5.89, "electron_affinity": "", "oxidation_states": [ 5, 4 ], "standard_state": "Solid", "melting_point": 1845, "boiling_point": 4273.0, "density": 15.37, "group_block": "Actinide", "year_discovered": 1913 }, { "atomic_number": 92, "symbol": "U", "name": "Uranium", "atomic_mass": 238.0289, "cpk_hex_color": { "red": 0, "green": 143, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 3 }, { "energy_level": 6, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.38, "atomic_radius": 240, "ionization_energy": 6.194, "electron_affinity": "", "oxidation_states": [ 6, 5, 4, 3 ], "standard_state": "Solid", "melting_point": 1408, "boiling_point": 4404, "density": 18.95, "group_block": "Actinide", "year_discovered": 1789 }, { "atomic_number": 93, "symbol": "Np", "name": "Neptunium", "atomic_mass": 237.048172, "cpk_hex_color": { "red": 0, "green": 128, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 4 }, { "energy_level": 6, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.36, "atomic_radius": 221, "ionization_energy": 6.266, "electron_affinity": "", "oxidation_states": [ 6, 5, 4, 3 ], "standard_state": "Solid", "melting_point": 917, "boiling_point": 4175, "density": 20.25, "group_block": "Actinide", "year_discovered": 1940 }, { "atomic_number": 94, "symbol": "Pu", "name": "Plutonium", "atomic_mass": 244.0642, "cpk_hex_color": { "red": 0, "green": 107, "blue": 255 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 6 } ], "electronegativity": 1.28, "atomic_radius": 243, "ionization_energy": 6.06, "electron_affinity": "", "oxidation_states": [ 6, 5, 4, 3 ], "standard_state": "Solid", "melting_point": 913, "boiling_point": 3501, "density": 19.84, "group_block": "Actinide", "year_discovered": 1940 }, { "atomic_number": 95, "symbol": "Am", "name": "Americium", "atomic_mass": 243.06138, "cpk_hex_color": { "red": 84, "green": 92, "blue": 242 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 7 } ], "electronegativity": 1.3, "atomic_radius": 244, "ionization_energy": 5.993, "electron_affinity": "", "oxidation_states": [ 6, 5, 4, 3 ], "standard_state": "Solid", "melting_point": 1449, "boiling_point": 2284, "density": 13.69, "group_block": "Actinide", "year_discovered": 1944 }, { "atomic_number": 96, "symbol": "Cm", "name": "Curium", "atomic_mass": 247.07035, "cpk_hex_color": { "red": 120, "green": 92, "blue": 227 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 7 }, { "energy_level": 6, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.3, "atomic_radius": 245, "ionization_energy": 6.02, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1618, "boiling_point": 3400, "density": 13.51, "group_block": "Actinide", "year_discovered": 1944 }, { "atomic_number": 97, "symbol": "Bk", "name": "Berkelium", "atomic_mass": 247.07031, "cpk_hex_color": { "red": 138, "green": 79, "blue": 227 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 9 } ], "electronegativity": 1.3, "atomic_radius": 244, "ionization_energy": 6.23, "electron_affinity": "", "oxidation_states": [ 4, 3 ], "standard_state": "Solid", "melting_point": 1323, "boiling_point": "", "density": 14, "group_block": "Actinide", "year_discovered": 1949 }, { "atomic_number": 98, "symbol": "Cf", "name": "Californium", "atomic_mass": 251.07959, "cpk_hex_color": { "red": 161, "green": 54, "blue": 212 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 10 } ], "electronegativity": 1.3, "atomic_radius": 245, "ionization_energy": 6.3, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1173, "boiling_point": "", "density": 15.1, "group_block": "Actinide", "year_discovered": 1950 }, { "atomic_number": 99, "symbol": "Es", "name": "Einsteinium", "atomic_mass": 252.083, "cpk_hex_color": { "red": 179, "green": 31, "blue": 212 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 11 } ], "electronegativity": 1.3, "atomic_radius": 245, "ionization_energy": 6.42, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1133, "boiling_point": "", "density": "", "group_block": "Actinide", "year_discovered": 1952 }, { "atomic_number": 100, "symbol": "Fm", "name": "Fermium", "atomic_mass": 257.09511, "cpk_hex_color": { "red": 179, "green": 31, "blue": 186 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "f", "electrons": 12 }, { "energy_level": 7, "orbital": "s", "electrons": 2 } ], "electronegativity": 1.3, "atomic_radius": "", "ionization_energy": 6.5, "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1800, "boiling_point": "", "density": "", "group_block": "Actinide", "year_discovered": 1952 }, { "atomic_number": 101, "symbol": "Md", "name": "Mendelevium", "atomic_mass": 258.09843, "cpk_hex_color": { "red": 179, "green": 13, "blue": 166 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 13 } ], "electronegativity": 1.3, "atomic_radius": "", "ionization_energy": 6.58, "electron_affinity": "", "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1100, "boiling_point": "", "density": "", "group_block": "Actinide", "year_discovered": 1955 }, { "atomic_number": 102, "symbol": "No", "name": "Nobelium", "atomic_mass": 259.101, "cpk_hex_color": { "red": 189, "green": 13, "blue": 135 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 } ], "electronegativity": 1.3, "atomic_radius": "", "ionization_energy": 6.65, "electron_affinity": "", "oxidation_states": [ 3, 2 ], "standard_state": "Solid", "melting_point": 1100, "boiling_point": "", "density": "", "group_block": "Actinide", "year_discovered": 1957 }, { "atomic_number": 103, "symbol": "Lr", "name": "Lawrencium", "atomic_mass": 266.12, "cpk_hex_color": { "red": 199, "green": 0, "blue": 102 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 1 } ], "electronegativity": 1.3, "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 3 ], "standard_state": "Solid", "melting_point": 1900, "boiling_point": "", "density": "", "group_block": "Actinide", "year_discovered": 1961 }, { "atomic_number": 104, "symbol": "Rf", "name": "Rutherfordium", "atomic_mass": 267.122, "cpk_hex_color": { "red": 204, "green": 0, "blue": 89 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 2 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 4 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1964 }, { "atomic_number": 105, "symbol": "Db", "name": "Dubnium", "atomic_mass": 268.126, "cpk_hex_color": { "red": 209, "green": 0, "blue": 79 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 3 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 5, 4, 3 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1967 }, { "atomic_number": 106, "symbol": "Sg", "name": "Seaborgium", "atomic_mass": 269.128, "cpk_hex_color": { "red": 217, "green": 0, "blue": 69 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 4 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 6, 5, 4, 3, 0 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1974 }, { "atomic_number": 107, "symbol": "Bh", "name": "Bohrium", "atomic_mass": 270.133, "cpk_hex_color": { "red": 224, "green": 0, "blue": 56 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 5 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 7, 5, 4, 3 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1976 }, { "atomic_number": 108, "symbol": "Hs", "name": "Hassium", "atomic_mass": 269.1336, "cpk_hex_color": { "red": 230, "green": 0, "blue": 46 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 6 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 8, 6, 5, 4, 3, 2 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1984 }, { "atomic_number": 109, "symbol": "Mt", "name": "Meitnerium", "atomic_mass": 277.154, "cpk_hex_color": { "red": 235, "green": 0, "blue": 38 }, "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 7 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 9, 8, 6, 4, 3, 1 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1982 }, { "atomic_number": 110, "symbol": "Ds", "name": "Darmstadtium", "atomic_mass": 282.166, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 8 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 8, 6, 4, 2, 0 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1994 }, { "atomic_number": 111, "symbol": "Rg", "name": "Roentgenium", "atomic_mass": 282.169, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 9 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 5, 3, 1, -1 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1994 }, { "atomic_number": 112, "symbol": "Cn", "name": "Copernicium", "atomic_mass": 286.179, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 10 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 2, 1, 0 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "TransitionMetal", "year_discovered": 1996 }, { "atomic_number": 113, "symbol": "Nh", "name": "Nihonium", "atomic_mass": 286.182, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 10 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 7, "orbital": "p", "electrons": 1 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": "", "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "PostTransitionMetal", "year_discovered": 2004 }, { "atomic_number": 114, "symbol": "Fl", "name": "Flerovium", "atomic_mass": 290.192, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 7, "orbital": "p", "electrons": 2 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 10 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 6, 4, 2, 1, 0 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "PostTransitionMetal", "year_discovered": 1998 }, { "atomic_number": 115, "symbol": "Mc", "name": "Moscovium", "atomic_mass": 290.196, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 7, "orbital": "p", "electrons": 3 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 10 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 3, 1 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "PostTransitionMetal", "year_discovered": 2003 }, { "atomic_number": 116, "symbol": "Lv", "name": "Livermorium", "atomic_mass": 293.205, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 7, "orbital": "p", "electrons": 4 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 10 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 4, 2, -2 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "PostTransitionMetal", "year_discovered": 2000 }, { "atomic_number": 117, "symbol": "Ts", "name": "Tennessine", "atomic_mass": 294.211, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 7, "orbital": "p", "electrons": 5 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 10 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 5, 3, 1, -1 ], "standard_state": "Solid", "melting_point": "", "boiling_point": "", "density": "", "group_block": "Halogen", "year_discovered": 2010 }, { "atomic_number": 118, "symbol": "Og", "name": "Oganesson", "atomic_mass": 295.216, "cpk_hex_color": "", "electron_configuration": [ { "energy_level": 1, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "s", "electrons": 2 }, { "energy_level": 2, "orbital": "p", "electrons": 6 }, { "energy_level": 3, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "p", "electrons": 6 }, { "energy_level": 4, "orbital": "s", "electrons": 2 }, { "energy_level": 3, "orbital": "d", "electrons": 10 }, { "energy_level": 4, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "d", "electrons": 10 }, { "energy_level": 5, "orbital": "p", "electrons": 6 }, { "energy_level": 6, "orbital": "s", "electrons": 2 }, { "energy_level": 4, "orbital": "f", "electrons": 14 }, { "energy_level": 5, "orbital": "d", "electrons": 10 }, { "energy_level": 6, "orbital": "p", "electrons": 6 }, { "energy_level": 7, "orbital": "s", "electrons": 2 }, { "energy_level": 7, "orbital": "p", "electrons": 6 }, { "energy_level": 5, "orbital": "f", "electrons": 14 }, { "energy_level": 6, "orbital": "d", "electrons": 10 } ], "electronegativity": "", "atomic_radius": "", "ionization_energy": "", "electron_affinity": "", "oxidation_states": [ 6, 4, 2, 1, 0, -1 ], "standard_state": "Gas", "melting_point": "", "boiling_point": "", "density": "", "group_block": "NobleGas", "year_discovered": 2006 } ]