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Name:
Silicon
Symbol: Si
Atomic Number: 14
Atomic Mass: 28.0855 amu
Melting Point: 1410.0 °C (1683.15 °K, 2570.0 °F)
Boiling Point: 2355.0 °C (2628.15 °K, 4271.0 °F)
Number of Protons/Electrons: 14
Number of Neutrons: 14
Crystal Structure: Cubic
Density @ 293 K: 2.329 g/cm3
Color: grey

Atomic Structure

[Bohr Model of Silicon]  
Number of Energy Levels: 3

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 4

Isotopes

Isotope Half Life
Si-28 Stable
Si-29 Stable
Si-30 Stable
Si-31 2.62 hours
Si-32 100.0 years


Facts

Date of Discovery: 1823
Discoverer: Jons Berzelius
Name Origin: From the Latin word silex (flint)
Uses: glass, semiconductors
Obtained From: Second most abundant element. Found in clay, granite, quartz, sand


Information provided by: http://www.chemicalelements.com