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SILICON
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Atomic Symbol |
Si |
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Atomic Weight |
28.0855 |
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Atomic Number |
14 |
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Electron Configuration |
2-8-4 |
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Oxidation States |
+2, ±4
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State of Matter |
Solid non-metal |
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Boiling Point |
2355 °C |
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Melting Point |
1415 °C |
HISTORY,
BACKGROUND & USES:
Discovered in 1824 by Jöns Jacob Berzelius. Silicon is never found free, but always combined with oxygen.
The two principal combinations of silicon are silicon dioxide,which
is found as flint, quartz, sand, sandstone, agate, and amethyst,
and silicate rocks.these rocks range from garnet to asbestos.
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