{ "id": "periodic-table-elements", "name": "Periodic Table of Elements", "title": "Periodic Table of Elements", "description": "All 118 chemical elements with atomic number, symbol, atomic weight, period, group, phase, type, electronegativity, melting/boiling points, density, discoverer, and year of discovery.", "category": "science", "source": "https://github.com/dariusk/corpora", "source_url": "https://github.com/dariusk/corpora", "updated": "2026-04", "record_count": 118, "columns": [ { "key": "atomic_number", "label": "Atomic Number", "type": "number" }, { "key": "name", "label": "Name", "type": "string" }, { "key": "symbol", "label": "Symbol", "type": "string" }, { "key": "atomic_weight", "label": "Atomic Weight", "type": "number" }, { "key": "period", "label": "Period", "type": "number" }, { "key": "group", "label": "Group", "type": "number" }, { "key": "phase", "label": "Phase", "type": "string" }, { "key": "most_stable_crystal", "label": "Most Stable Crystal", "type": "string" }, { "key": "type", "label": "Type", "type": "string" }, { "key": "ionic_radius", "label": "Ionic Radius", "type": "number" }, { "key": "atomic_radius", "label": "Atomic Radius", "type": "number" }, { "key": "electronegativity", "label": "Electronegativity", "type": "number" }, { "key": "first_ionization_potential", "label": "First Ionization Potential", "type": "number" }, { "key": "density", "label": "Density", "type": "number" }, { "key": "melting_point", "label": "Melting Point", "type": "number" }, { "key": "boiling_point", "label": "Boiling Point", "type": "number" }, { "key": "isotopes", "label": "Isotopes", "type": "number" }, { "key": "discoverer", "label": "Discoverer", "type": "string" }, { "key": "year_of_discovery", "label": "Year Of Discovery", "type": "number" }, { "key": "specific_heat_capacity", "label": "Specific Heat Capacity", "type": "number" }, { "key": "electron_configuration", "label": "Electron Configuration", "type": "string" }, { "key": "display_row", "label": "Display Row", "type": "number" }, { "key": "display_column", "label": "Display Column", "type": "number" } ], "rows": [ { "atomic_number": 1, "name": "Hydrogen", "symbol": "H", "atomic_weight": 1, "period": 1, "group": 1, "phase": "gas", "most_stable_crystal": "", "type": "Nonmetal", "ionic_radius": 0.012, "atomic_radius": 0.79, "electronegativity": 2.2, "first_ionization_potential": 13.5984, "density": 0.00008988, "melting_point": 14.175, "boiling_point": 20.28, "isotopes": 3, "discoverer": "Cavendish", "year_of_discovery": "1766", "specific_heat_capacity": 14.304, "electron_configuration": "1s1", "display_row": 1, "display_column": 1 }, { "atomic_number": 2, "name": "Helium", "symbol": "He", "atomic_weight": 4, "period": 1, "group": 18, "phase": "gas", "most_stable_crystal": "", "type": "Noble Gas", "ionic_radius": "", "atomic_radius": 0.49, "electronegativity": "", "first_ionization_potential": 24.5874, "density": 0.0001785, "melting_point": "", "boiling_point": 4.22, "isotopes": 5, "discoverer": "Janssen", "year_of_discovery": "1868", "specific_heat_capacity": 5.193, "electron_configuration": "1s2", "display_row": 1, "display_column": 18 }, { "atomic_number": 3, "name": "Lithium", "symbol": "Li", "atomic_weight": 6, "period": 2, "group": 1, "phase": "solid", "most_stable_crystal": "bcc", "type": "Alkali Metal", "ionic_radius": 0.76, "atomic_radius": 2.1, "electronegativity": 0.98, "first_ionization_potential": 5.3917, "density": 0.534, "melting_point": 453.85, "boiling_point": 1615, "isotopes": 5, "discoverer": "Arfvedson", "year_of_discovery": "1817", "specific_heat_capacity": 3.582, "electron_configuration": "[He] 2s1", "display_row": 2, "display_column": 1 }, { "atomic_number": 4, "name": "Beryllium", "symbol": "Be", "atomic_weight": 9, "period": 2, "group": 2, "phase": "solid", "most_stable_crystal": "hex", "type": "Alkaline Earth Metal", "ionic_radius": 0.35, "atomic_radius": 1.4, "electronegativity": 1.57, "first_ionization_potential": 9.3227, "density": 1.85, "melting_point": 1560.15, "boiling_point": 2742, "isotopes": 6, "discoverer": "Vaulquelin", "year_of_discovery": "1798", "specific_heat_capacity": 1.825, "electron_configuration": "[He] 2s2", "display_row": 2, "display_column": 2 }, { "atomic_number": 5, "name": "Boron", "symbol": "B", "atomic_weight": 10, "period": 2, "group": 13, "phase": "solid", "most_stable_crystal": "rho", "type": "Metalloid", "ionic_radius": 0.23, "atomic_radius": 1.2, "electronegativity": 2.04, "first_ionization_potential": 8.298, "density": 2.34, "melting_point": 2573.15, "boiling_point": 4200, "isotopes": 6, "discoverer": "Gay-Lussac", "year_of_discovery": "1808", "specific_heat_capacity": 1.026, "electron_configuration": "[He] 2s2 2p1", "display_row": 2, "display_column": 13 }, { "atomic_number": 6, "name": "Carbon", "symbol": "C", "atomic_weight": 12, "period": 2, "group": 14, "phase": "solid", "most_stable_crystal": "hex", "type": "Nonmetal", "ionic_radius": "", "atomic_radius": 0.91, "electronegativity": 2.55, "first_ionization_potential": 11.2603, "density": 2.267, "melting_point": 3948.15, "boiling_point": 4300, "isotopes": 7, "discoverer": "Prehistoric", "year_of_discovery": "", "specific_heat_capacity": 0.709, "electron_configuration": "[He] 2s2 2p2", "display_row": 2, "display_column": 14 }, { "atomic_number": 7, "name": "Nitrogen", "symbol": "N", "atomic_weight": 14, "period": 2, "group": 15, "phase": "gas", "most_stable_crystal": "", "type": "Nonmetal", "ionic_radius": 0.13, "atomic_radius": 0.75, "electronegativity": 3.04, "first_ionization_potential": 14.5341, "density": 0.0012506, "melting_point": 63.29, "boiling_point": 77.36, "isotopes": 8, "discoverer": "Rutherford", "year_of_discovery": "1772", "specific_heat_capacity": 1.04, "electron_configuration": "[He] 2s2 2p3", "display_row": 2, "display_column": 15 }, { "atomic_number": 8, "name": "Oxygen", "symbol": "O", "atomic_weight": 15, "period": 2, "group": 16, "phase": "gas", "most_stable_crystal": "", "type": "Nonmetal", "ionic_radius": 1.4, "atomic_radius": 0.65, "electronegativity": 3.44, "first_ionization_potential": 13.6181, "density": 0.001429, "melting_point": 50.5, "boiling_point": 90.2, "isotopes": 8, "discoverer": "Priestley/Scheele", "year_of_discovery": "1774", "specific_heat_capacity": 0.918, "electron_configuration": "[He] 2s2 2p4", "display_row": 2, "display_column": 16 }, { "atomic_number": 9, "name": "Fluorine", "symbol": "F", "atomic_weight": 18, "period": 2, "group": 17, "phase": "gas", "most_stable_crystal": "", "type": "Halogen", "ionic_radius": 1.3, "atomic_radius": 0.57, "electronegativity": 3.98, "first_ionization_potential": 17.4228, "density": 0.001696, "melting_point": 53.63, "boiling_point": 85.03, "isotopes": 6, "discoverer": "Moissan", "year_of_discovery": "1886", "specific_heat_capacity": 0.824, "electron_configuration": "[He] 2s2 2p5", "display_row": 2, "display_column": 17 }, { "atomic_number": 10, "name": "Neon", "symbol": "Ne", "atomic_weight": 20, "period": 2, "group": 18, "phase": "gas", "most_stable_crystal": "", "type": "Noble Gas", "ionic_radius": "", "atomic_radius": 0.51, "electronegativity": "", "first_ionization_potential": 21.5645, "density": 0.0008999, "melting_point": 24.703, "boiling_point": 27.07, "isotopes": 8, "discoverer": "Ramsay and Travers", "year_of_discovery": "1898", "specific_heat_capacity": 1.03, "electron_configuration": "[He] 2s2 2p6", "display_row": 2, "display_column": 18 }, { "atomic_number": 11, "name": "Sodium", "symbol": "Na", "atomic_weight": 22, "period": 3, "group": 1, "phase": "solid", "most_stable_crystal": "bcc", "type": "Alkali Metal", "ionic_radius": 1, "atomic_radius": 2.2, "electronegativity": 0.93, "first_ionization_potential": 5.1391, "density": 0.971, "melting_point": 371.15, "boiling_point": 1156, "isotopes": 7, "discoverer": "Davy", "year_of_discovery": "1807", "specific_heat_capacity": 1.228, "electron_configuration": "[Ne] 3s1", "display_row": 3, "display_column": 1 }, { "atomic_number": 12, "name": "Magnesium", "symbol": "Mg", "atomic_weight": 24, "period": 3, "group": 2, "phase": "solid", "most_stable_crystal": "hex", "type": "Alkaline Earth Metal", "ionic_radius": 0.72, "atomic_radius": 1.7, "electronegativity": 1.31, "first_ionization_potential": 7.6462, "density": 1.738, "melting_point": 923.15, "boiling_point": 1363, "isotopes": 8, "discoverer": "Black", "year_of_discovery": "1755", "specific_heat_capacity": 1.023, "electron_configuration": "[Ne] 3s2", "display_row": 3, "display_column": 2 }, { "atomic_number": 13, "name": "Aluminum", "symbol": "Al", "atomic_weight": 26, "period": 3, "group": 13, "phase": "solid", "most_stable_crystal": "fcc", "type": "Metal", "ionic_radius": 0.54, "atomic_radius": 1.8, "electronegativity": 1.61, "first_ionization_potential": 5.9858, "density": 2.698, "melting_point": 933.4, "boiling_point": 2792, "isotopes": 8, "discoverer": "W�hler", "year_of_discovery": "1827", "specific_heat_capacity": 0.897, "electron_configuration": "[Ne] 3s2 3p1", "display_row": 3, "display_column": 13 }, { "atomic_number": 14, "name": "Silicon", "symbol": "Si", "atomic_weight": 28, "period": 3, "group": 14, "phase": "solid", "most_stable_crystal": "fcc", "type": "Metalloid", "ionic_radius": 0.4, "atomic_radius": 1.5, "electronegativity": 1.9, "first_ionization_potential": 8.1517, "density": 2.3296, "melting_point": 1683.15, "boiling_point": 3538, "isotopes": 8, "discoverer": "Berzelius", "year_of_discovery": "1824", "specific_heat_capacity": 0.705, "electron_configuration": "[Ne] 3s2 3p2", "display_row": 3, "display_column": 14 }, { "atomic_number": 15, "name": "Phosphorus", "symbol": "P", "atomic_weight": 30, "period": 3, "group": 15, "phase": "solid", "most_stable_crystal": "cub", "type": "Nonmetal", "ionic_radius": 0.38, "atomic_radius": 1.2, "electronegativity": 2.19, "first_ionization_potential": 10.4867, "density": 1.82, "melting_point": 317.25, "boiling_point": 553, "isotopes": 7, "discoverer": "BranBrand", "year_of_discovery": "1669", "specific_heat_capacity": 0.769, "electron_configuration": "[Ne] 3s2 3p3", "display_row": 3, "display_column": 15 }, { "atomic_number": 16, "name": "Sulfur", "symbol": "S", "atomic_weight": 32, "period": 3, "group": 16, "phase": "solid", "most_stable_crystal": "orth", "type": "Nonmetal", "ionic_radius": 0.37, "atomic_radius": 1.1, "electronegativity": 2.58, "first_ionization_potential": 10.36, "density": 2.067, "melting_point": 388.51, "boiling_point": 717.8, "isotopes": 10, "discoverer": "Prehistoric", "year_of_discovery": "", "specific_heat_capacity": 0.71, "electron_configuration": "[Ne] 3s2 3p4", "display_row": 3, "display_column": 16 }, { "atomic_number": 17, "name": "Chlorine", "symbol": "Cl", "atomic_weight": 35, "period": 3, "group": 17, "phase": "gas", "most_stable_crystal": "", "type": "Halogen", "ionic_radius": 1.8, "atomic_radius": 0.97, "electronegativity": 3.16, "first_ionization_potential": 12.9676, "density": 0.003214, "melting_point": 172.31, "boiling_point": 239.11, "isotopes": 11, "discoverer": "Scheele", "year_of_discovery": "1774", "specific_heat_capacity": 0.479, "electron_configuration": "[Ne] 3s2 3p5", "display_row": 3, "display_column": 17 }, { "atomic_number": 18, "name": "Argon", "symbol": "Ar", "atomic_weight": 39, "period": 3, "group": 18, "phase": "gas", "most_stable_crystal": "", "type": "Noble Gas", "ionic_radius": "", "atomic_radius": 0.88, "electronegativity": "", "first_ionization_potential": 15.7596, "density": 0.0017837, "melting_point": 83.96, "boiling_point": 87.3, "isotopes": 8, "discoverer": "Rayleigh and Ramsay", "year_of_discovery": "1894", "specific_heat_capacity": 0.52, "electron_configuration": "[Ne] 3s2 3p6", "display_row": 3, "display_column": 18 }, { "atomic_number": 19, "name": "Potassium", "symbol": "K", "atomic_weight": 39, "period": 4, "group": 1, "phase": "solid", "most_stable_crystal": "bcc", "type": "Alkali Metal", "ionic_radius": 1.4, "atomic_radius": 2.8, "electronegativity": 0.82, "first_ionization_potential": 4.3407, "density": 0.862, "melting_point": 336.5, "boiling_point": 1032, "isotopes": 10, "discoverer": "Davy", "year_of_discovery": "1807", "specific_heat_capacity": 0.757, "electron_configuration": "[Ar] 4s1", "display_row": 4, "display_column": 1 }, { "atomic_number": 20, "name": "Calcium", "symbol": "Ca", "atomic_weight": 40, "period": 4, "group": 2, "phase": "solid", "most_stable_crystal": "fcc", "type": "Alkaline Earth Metal", "ionic_radius": 0.99, "atomic_radius": 2.2, "electronegativity": 1, "first_ionization_potential": 6.1132, "density": 1.54, "melting_point": 1112.15, "boiling_point": 1757, "isotopes": 14, "discoverer": "Davy", "year_of_discovery": "1808", "specific_heat_capacity": 0.647, "electron_configuration": "[Ar] 4s2", "display_row": 4, "display_column": 2 }, { "atomic_number": 21, "name": "Scandium", "symbol": "Sc", "atomic_weight": 44, "period": 4, "group": 3, "phase": "solid", "most_stable_crystal": "hex", "type": "Transition Metal", "ionic_radius": 0.75, "atomic_radius": 2.1, "electronegativity": 1.36, "first_ionization_potential": 6.5615, "density": 2.989, "melting_point": 1812.15, "boiling_point": 3109, "isotopes": 15, "discoverer": "Nilson", "year_of_discovery": "1878", "specific_heat_capacity": 0.568, "electron_configuration": "[Ar] 3d1 4s2", "display_row": 4, "display_column": 3 }, { "atomic_number": 22, "name": "Titanium", "symbol": "Ti", "atomic_weight": 47, "period": 4, "group": 4, "phase": "solid", "most_stable_crystal": "hex", "type": "Transition Metal", "ionic_radius": 0.61, "atomic_radius": 2, "electronegativity": 1.54, "first_ionization_potential": 6.8281, "density": 4.54, "melting_point": 1933.15, "boiling_point": 3560, "isotopes": 9, "discoverer": "Gregor", "year_of_discovery": "1791", "specific_heat_capacity": 0.523, "electron_configuration": "[Ar] 3d2 4s2", "display_row": 4, "display_column": 4 }, { "atomic_number": 23, "name": "Vanadium", "symbol": "V", "atomic_weight": 50, "period": 4, "group": 5, "phase": "solid", "most_stable_crystal": "bcc", "type": "Transition Metal", "ionic_radius": 0.59, "atomic_radius": 1.9, "electronegativity": 1.63, "first_ionization_potential": 6.7462, "density": 6.11, "melting_point": 2175.15, "boiling_point": 3680, "isotopes": 9, "discoverer": "del Rio", "year_of_discovery": "1801", "specific_heat_capacity": 0.489, "electron_configuration": "[Ar] 3d3 4s2", "display_row": 4, "display_column": 5 }, { "atomic_number": 24, "name": "Chromium", "symbol": "Cr", "atomic_weight": 51, "period": 4, "group": 6, "phase": "solid", "most_stable_crystal": "bcc", "type": "Transition Metal", "ionic_radius": 0.52, "atomic_radius": 1.9, "electronegativity": 1.66, "first_ionization_potential": 6.7665, "density": 7.15, "melting_point": 2130.15, "boiling_point": 2944, "isotopes": 9, "discoverer": "Vauquelin", "year_of_discovery": "1797", "specific_heat_capacity": 0.449, "electron_configuration": "[Ar] 3d5 4s1", "display_row": 4, "display_column": 6 }, { "atomic_number": 25, "name": "Manganese", "symbol": "Mn", "atomic_weight": 54, "period": 4, "group": 7, "phase": "solid", "most_stable_crystal": "bcc", "type": "Transition Metal", "ionic_radius": 0.46, "atomic_radius": 1.8, "electronegativity": 1.55, "first_ionization_potential": 7.434, "density": 7.44, "melting_point": 1519.15, "boiling_point": 2334, "isotopes": 11, "discoverer": "Gahn, Scheele", "year_of_discovery": "1774", "specific_heat_capacity": 0.479, "electron_configuration": "[Ar] 3d5 4s2", "display_row": 4, "display_column": 7 }, { "atomic_number": 26, "name": "Iron", "symbol": "Fe", "atomic_weight": 55, "period": 4, "group": 8, "phase": "solid", "most_stable_crystal": "bcc", "type": "Transition Metal", "ionic_radius": 0.65, "atomic_radius": 1.7, "electronegativity": 1.83, "first_ionization_potential": 7.9024, "density": 7.874, "melting_point": 1808.15, "boiling_point": 3134, "isotopes": 10, "discoverer": "Prehistoric", "year_of_discovery": "", "specific_heat_capacity": 0.449, "electron_configuration": "[Ar] 3d6 4s2", "display_row": 4, "display_column": 8 }, { "atomic_number": 27, "name": "Cobalt", "symbol": "Co", "atomic_weight": 58, "period": 4, "group": 9, "phase": "solid", "most_stable_crystal": "hex", "type": "Transition Metal", "ionic_radius": 0.75, "atomic_radius": 1.7, "electronegativity": 1.88, "first_ionization_potential": 7.881, "density": 8.86, "melting_point": 1768.15, "boiling_point": 3200, "isotopes": 14, "discoverer": "Brandt", "year_of_discovery": "1735", "specific_heat_capacity": 0.421, "electron_configuration": "[Ar] 3d7 4s2", "display_row": 4, "display_column": 9 }, { "atomic_number": 28, "name": "Nickel", "symbol": "Ni", "atomic_weight": 58, "period": 4, "group": 10, "phase": "solid", "most_stable_crystal": "fcc", "type": "Transition Metal", "ionic_radius": 0.69, "atomic_radius": 1.6, "electronegativity": 1.91, "first_ionization_potential": 7.6398, "density": 8.912, "melting_point": 1726.15, "boiling_point": 3186, "isotopes": 11, "discoverer": "Cronstedt", "year_of_discovery": "1751", "specific_heat_capacity": 0.444, "electron_configuration": "[Ar] 3d8 4s2", "display_row": 4, "display_column": 10 }, { "atomic_number": 29, "name": "Copper", "symbol": "Cu", "atomic_weight": 63, "period": 4, "group": 11, "phase": "solid", "most_stable_crystal": "fcc", "type": "Transition Metal", "ionic_radius": 0.73, "atomic_radius": 1.6, "electronegativity": 1.9, "first_ionization_potential": 7.7264, "density": 8.96, "melting_point": 1357.75, "boiling_point": 2835, "isotopes": 11, "discoverer": "Prehistoric", "year_of_discovery": "", "specific_heat_capacity": 0.385, "electron_configuration": "[Ar] 3d10 4s1", "display_row": 4, "display_column": 11 }, { "atomic_number": 30, "name": "Zinc", "symbol": "Zn", "atomic_weight": 65, "period": 4, "group": 12, "phase": "solid", "most_stable_crystal": "hex", "type": "Transition Metal", "ionic_radius": 0.74, "atomic_radius": 1.5, "electronegativity": 1.65, "first_ionization_potential": 9.3942, "density": 7.134, "melting_point": 692.88, "boiling_point": 1180, "isotopes": 15, "discoverer": "Prehistoric", "year_of_discovery": "", "specific_heat_capacity": 0.388, "electron_configuration": "[Ar] 3d10 4s2", "display_row": 4, "display_column": 12 }, { "atomic_number": 31, "name": "Gallium", "symbol": "Ga", "atomic_weight": 69, "period": 4, "group": 13, "phase": "solid", "most_stable_crystal": "orth", "type": "Metal", "ionic_radius": 0.62, "atomic_radius": 1.8, "electronegativity": 1.81, "first_ionization_potential": 5.9993, "density": 5.907, "melting_point": 302.91, "boiling_point": 2477, "isotopes": 14, "discoverer": "de Boisbaudran", "year_of_discovery": "1875", "specific_heat_capacity": 0.371, "electron_configuration": "[Ar] 3d10 4s2 4p1", "display_row": 4, "display_column": 13 }, { "atomic_number": 32, "name": "Germanium", "symbol": "Ge", "atomic_weight": 72, "period": 4, "group": 14, "phase": "solid", "most_stable_crystal": "fcc", "type": "Metalloid", "ionic_radius": 0.53, "atomic_radius": 1.5, "electronegativity": 2.01, "first_ionization_potential": 7.8994, "density": 5.323, "melting_point": 1211.45, "boiling_point": 3106, "isotopes": 17, "discoverer": "Winkler", "year_of_discovery": "1886", "specific_heat_capacity": 0.32, "electron_configuration": "[Ar] 3d10 4s2 4p2", "display_row": 4, "display_column": 14 }, { "atomic_number": 33, "name": "Arsenic", "symbol": "As", "atomic_weight": 74, "period": 4, "group": 15, "phase": "solid", "most_stable_crystal": "rho", "type": "Metalloid", "ionic_radius": 0.58, "atomic_radius": 1.3, "electronegativity": 2.18, "first_ionization_potential": 9.7886, "density": 5.776, "melting_point": 1090.15, "boiling_point": 887, "isotopes": 14, "discoverer": "Albertus Magnus", "year_of_discovery": "1250", "specific_heat_capacity": 0.329, "electron_configuration": "[Ar] 3d10 4s2 4p3", "display_row": 4, "display_column": 15 }, { "atomic_number": 34, "name": "Selenium", "symbol": "Se", "atomic_weight": 78, "period": 4, "group": 16, "phase": "solid", "most_stable_crystal": "hex", "type": "Nonmetal", "ionic_radius": 0.5, "atomic_radius": 1.2, "electronegativity": 2.55, "first_ionization_potential": 9.7524, "density": 4.809, "melting_point": 494.15, "boiling_point": 958, "isotopes": 20, "discoverer": "Berzelius", "year_of_discovery": "1817", "specific_heat_capacity": 0.321, "electron_configuration": "[Ar] 3d10 4s2 4p4", "display_row": 4, "display_column": 16 }, { "atomic_number": 35, "name": "Bromine", "symbol": "Br", "atomic_weight": 79, "period": 4, "group": 17, "phase": "liq", "most_stable_crystal": "", "type": "Halogen", "ionic_radius": 2, "atomic_radius": 1.1, "electronegativity": 2.96, "first_ionization_potential": 11.8138, "density": 3.122, "melting_point": 266.05, "boiling_point": 332, "isotopes": 19, "discoverer": "Balard", "year_of_discovery": "1826", "specific_heat_capacity": 0.474, "electron_configuration": "[Ar] 3d10 4s2 4p5", "display_row": 4, "display_column": 17 }, { "atomic_number": 36, "name": "Krypton", "symbol": "Kr", "atomic_weight": 83, "period": 4, "group": 18, "phase": "gas", "most_stable_crystal": "", "type": "Noble Gas", "ionic_radius": "", "atomic_radius": 1, "electronegativity": "", "first_ionization_potential": 13.9996, "density": 0.003733, "melting_point": 115.93, "boiling_point": 119.93, "isotopes": 23, "discoverer": "Ramsay and Travers", "year_of_discovery": "1898", "specific_heat_capacity": 0.248, "electron_configuration": "[Ar] 3d10 4s2 4p6", "display_row": 4, "display_column": 18 }, { "atomic_number": 37, "name": "Rubidium", "symbol": "Rb", "atomic_weight": 85, "period": 5, "group": 1, "phase": "solid", "most_stable_crystal": "bcc", "type": "Alkali Metal", "ionic_radius": 1.5, "atomic_radius": 3, "electronegativity": 0.82, "first_ionization_potential": 4.1771, "density": 1.532, "melting_point": 312.79, "boiling_point": 961, "isotopes": 20, "discoverer": "Bunsen and Kirchoff", 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"discoverer": "Stromeyer", "year_of_discovery": "1817", "specific_heat_capacity": 0.232, "electron_configuration": "[Kr] 4d10 5s2", "display_row": 5, "display_column": 12 }, { "atomic_number": 49, "name": "Indium", "symbol": "In", "atomic_weight": 114, "period": 5, "group": 13, "phase": "solid", "most_stable_crystal": "tet", "type": "Metal", "ionic_radius": 0.8, "atomic_radius": 2, "electronegativity": 1.78, "first_ionization_potential": 5.7864, "density": 7.31, "melting_point": 429.91, "boiling_point": 2345, "isotopes": 34, "discoverer": "Reich and Richter", "year_of_discovery": "1863", "specific_heat_capacity": 0.233, "electron_configuration": "[Kr] 4d10 5s2 5p1", "display_row": 5, "display_column": 13 }, { "atomic_number": 50, "name": "Tin", "symbol": "Sn", "atomic_weight": 118, "period": 5, "group": 14, "phase": "solid", "most_stable_crystal": "tet", "type": "Metal", "ionic_radius": 0.69, "atomic_radius": 1.7, "electronegativity": 1.96, "first_ionization_potential": 7.3439, 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"ionic_radius": 0.97, "atomic_radius": 1.4, "electronegativity": 2.1, "first_ionization_potential": 9.0096, "density": 6.232, "melting_point": 722.8, "boiling_point": 1261, "isotopes": 29, "discoverer": "von Reichenstein", "year_of_discovery": "1782", "specific_heat_capacity": 0.202, "electron_configuration": "[Kr] 4d10 5s2 5p4", "display_row": 5, "display_column": 16 }, { "atomic_number": 53, "name": "Iodine", "symbol": "I", "atomic_weight": 126, "period": 5, "group": 17, "phase": "solid", "most_stable_crystal": "orth", "type": "Halogen", "ionic_radius": 2.2, "atomic_radius": 1.3, "electronegativity": 2.66, "first_ionization_potential": 10.4513, "density": 4.93, "melting_point": 386.65, "boiling_point": 457.4, "isotopes": 24, "discoverer": "Courtois", "year_of_discovery": "1811", "specific_heat_capacity": 0.214, "electron_configuration": "[Kr] 4d10 5s2 5p5", "display_row": 5, "display_column": 17 }, { "atomic_number": 54, "name": "Xenon", "symbol": "Xe", "atomic_weight": 131, 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"display_column": 1 }, { "atomic_number": 56, "name": "Barium", "symbol": "Ba", "atomic_weight": 137, "period": 6, "group": 2, "phase": "solid", "most_stable_crystal": "bcc", "type": "Alkaline Earth Metal", "ionic_radius": 1.4, "atomic_radius": 2.8, "electronegativity": 0.89, "first_ionization_potential": 5.2117, "density": 3.594, "melting_point": 1002.15, "boiling_point": 2170, "isotopes": 25, "discoverer": "Davy", "year_of_discovery": "1808", "specific_heat_capacity": 0.204, "electron_configuration": "[Xe] 6s2", "display_row": 6, "display_column": 2 }, { "atomic_number": 57, "name": "Lanthanum", "symbol": "La", "atomic_weight": 138, "period": 6, "group": 3, "phase": "solid", "most_stable_crystal": "hex", "type": "Lanthanide", "ionic_radius": 1.1, "atomic_radius": 2.7, "electronegativity": 1.1, "first_ionization_potential": 5.5769, "density": 6.145, "melting_point": 1193.15, "boiling_point": 3737, "isotopes": 19, "discoverer": "Mosander", "year_of_discovery": "1839", 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"Mosander", "year_of_discovery": "1843", "specific_heat_capacity": 0.168, "electron_configuration": "[Xe] 4f12 6s2", "display_row": 8, "display_column": 14 }, { "atomic_number": 69, "name": "Thulium", "symbol": "Tm", "atomic_weight": 168, "period": 6, "group": 30, "phase": "solid", "most_stable_crystal": "hex", "type": "Lanthanide", "ionic_radius": 0.87, "atomic_radius": 2.4, "electronegativity": 1.25, "first_ionization_potential": 6.1843, "density": 9.321, "melting_point": 1818.15, "boiling_point": 2223, "isotopes": 18, "discoverer": "Cleve", "year_of_discovery": "1879", "specific_heat_capacity": 0.16, "electron_configuration": "[Xe] 4f13 6s2", "display_row": 8, "display_column": 15 }, { "atomic_number": 70, "name": "Ytterbium", "symbol": "Yb", "atomic_weight": 173, "period": 6, "group": 31, "phase": "solid", "most_stable_crystal": "fcc", "type": "Lanthanide", "ionic_radius": 0.86, "atomic_radius": 2.4, "electronegativity": 1.1, "first_ionization_potential": 6.2542, "density": 6.965, 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symbol, atomic weight, period, group, phase, type, electronegativity, melting/boiling points, density, discoverer, and year of discovery. Contains 118 records. Download in Excel, CSV, PDF formats.", "seo_title": "Periodic Table of Elements | ListBase", "seo_description": "Download Periodic Table of Elements — 118 records. Available in Excel, CSV, PDF formats.", "key_takeaways": [ "Contains 118 records / 23 fields", "Available for free download in Excel, CSV, and PDF formats", "Data sourced from: https://github.com/dariusk/corpora" ] } }