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| Atomic Number | 33 |
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| Atomic Symbol | As |
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| Atomic Weight | 74.92159 amu |
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| Group | Metalloid, 15 |
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| Form | Solid |
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| Density @ STP | 5.75 g/cm3 |
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| Melting Point | 817 °C (triple point) (1502.6 °F, 1090.15 °K) |
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| Boiling Point | 614 °C (sublimation point) (1137.2 °F, 887.15 °K) |
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| Heat of Fusion | 24.44 kJ/mol |
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| Heat of Vaporization | 32.4 kJ/mol |
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| First Ionization Potential | 9.8152 eV |
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| Electronegativity (on Pauling scale) | 2.18 |
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| Specific Heat Capacity | 0.329 J/g K |
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| Ground State Electron Configuration | 4p3 |
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| Oxidation States | +3, +5, -3 |
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| Stable Isotopes and Natural Abundance on Earth | 75As, 100% |
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| Selected Radioisotopes | 72As, 73As, 74As |
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| Atomic Radius | 114 pm |
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| Crystal Structure | Trigonal |
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