Atomic Number

14
 

 

 Atomic Mass

28.0855 amu

 
 
[Bohr Model of Silicon]
Vital Information

Number of:
     Protons = 14
     Electrons = 14
     Neutrons = 28

Boiling Point = 2355.0 °C (2628.15 K, 4271.0 °F)
Melting Point = 1410.0 °C (1683.15 K, 2570.0 °F)
Freezing Point =
Density = 2.329 g/cm3
Electronegativity =  1.9                                                              Specific Heat = 0.71J/gK

 

 



 
 
 

Date of Discovery: 1824
Discoverer: Jons Berzelius
Name Origin: From the Latin word silex (flint)
Uses: glass, semiconductors
Obtained From: Second most abundant element  after oxygen. Found in clay, granite, quartz, san

Uses:

              Silicon dioxide is used in glass                   

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 Used in Lubricants

Used to make concrete and bricks

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Used in medicine for silicone implants

 Silicon is used in solar cells

1099R-5719

Used in grease and oils.

siliconexample.jpg (19352 bytes)
and used in making micro chips

 

References:

www.chemicalelements.com

www.chemsoc.org

http://www.fotosearch.com/DGT162/bte0017/

http://www.fotosearch.com/SPS147/1099r-5719/