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Silicon at Chemical Elements.com
Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page

Basic Information

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
Classification: Metalloid
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


Isotope Half Life
Si-312.62 hours
Si-32100.0 years


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

Related Links

Note: The external links below are not a part of this site and their content is not the responsibility of this site
  1. Healthworld Online - Silicon
    • Contains an "Introduction to Tungsten", among other things
If you know of any other links for Silicon, please let me know

MLA Format for Citing This Page

Bentor, Yinon. Chemical Element.com - Silicon. <http://www.chemicalelements.com/elements/si.html>.

For more information about citing online sources, please visit the MLA's Website.

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