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Silicon
1.
2. Discovered by Jöns Jacob Berzelius
Silicon was first prepared and characterized
in pure form in 1824
Given the name silicium
(from Latin: silicis)
Final English
name given in 1831
3.
4. Basic
Information
Group 3
Period 14
Metal
At room temperature it is a solid
With a density of 2.3290 g·cm−3
5. Melting point of 1410 °C, 2577 °F
Boiling point of 3265 °C, 5909 °F
Greater density in a liquid state than a solid
state, therefore does not contract when it
freezes, but expands.
Atomic radius of 111pm
Silicon has a gray color and a metallic luster
6. Where can you find Silicon?
Silicon makes up about 28% of the earths crust.
Pure silicon crystals are very rarely found in
nature, but usually found in the form of
silicon dioxide.