Si | Z = 14 | ◊ ◊ ◊ ◊ ◊ |
Silicon | |
From the Latin "silex, -icis", meaning "flint" | ||||
(AM) Atomic Mass | 28.0855 amu | ♦ | ![]() |
+2, +4, -4 |
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2355  °C | ♦ | ![]() |
1410 °C |
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2.24 g/cm3 | ♦ | ![]() |
Diamond |
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1.8 | ♦ | ![]() |
1.11  Å |
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Solid | ♦ | (C) Heat Capacity | 0.705 J/g °C |
Electronic-Config | [Ne]  3s2  3p2  | ♦ | ![]() |
786.45 kJ/mol |
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359 kJ/mol | ♦ | ![]() |
50.21 kJ/mol |
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1824 | ♦ | ![]() |
Sweden |
(E°) Standard Potential | SiO2 + 4 H+⇔ Si + 2 H2O (-0.860 V) | |||
Stable isotopes |  28Si,  29Si,  30Si | |||
Discovered/Synthesized by | Jöns Jacob Berzelius | |||
Natural Source | The mineral/ore quartz | |||
Common Uses | Ceramics, glass, semiconductors, computer chips, silicone rubber | |||
Other Info | Most of the Earth’s rock and mantle is made of silicate rock Chemists doubt that silicon-based life could exist |
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