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| Atomic Number | 14 |
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| Atomic Symbol | Si |
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| Atomic Weight | 28.0855 amu |
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| Group | Metalloid, 14 |
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| Form | Solid |
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| Density @ STP | 2.3290 g/cm3 |
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| Melting Point | 1414 °C (2577.2 °F, 1687.2 °K) |
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| Boiling Point | 3265 °C (5909 °F, 3538.2 °K) |
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| Heat of Fusion | 50.21 kJ/mol |
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| Heat of Vaporization | 359 kJ/mol |
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| First Ionization Potential | 8.15169 eV |
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| Electronegativity (on Pauling scale) | 1.91 |
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| Specific Heat Capacity | 0.705 J/g K |
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| Ground State Electron Configuration | 3p2 |
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| Oxidation States | +2, +4, -4 |
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| Stable Isotopes and Natural Abundance on Earth | 28Si, 92.23%; 29Si, 4.67%; 30Si, 3.10% |
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| Selected Radioisotopes | 32Si |
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| Atomic Radius | 111 pm |
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| Crystal Structure | Diamond |
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| Discovered by | Berzelius, 1824
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