Silicon: Difference between revisions

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imported>David Yamakuchi
m (New page: {{subpages}} {{Basic elemental info}})
 
imported>Milton Beychok
(Replaced infobox and a few copy edits.)
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{{subpages}}
{{subpages}}
{{Basic elemental info}}
{{Elem_Infobox
|elName=Silicon
|eltrnCfg=1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>2</sup>
|no1=
|no2=
|no3=
|no4=
|properties=In crystalline form, grayish metallic luster. Relatively inert chemically.
|compounds=
|uses=Concrete, glass, refractories, ceramics, semiconductors.
|hazard=
}}
 
'''Silicon''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Si. Its [[atomic number]] (the number of [[proton]]s) is 14. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 28.0855 g•mol<sup> −1</sup>, and is typically found as a [[solid]].
 
Silicon is considered a member of the "Metalloid" class of element. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] 3,265 °[[Celsius (unit)|C]], and a [[melting point]] of 1,414 °C.

Revision as of 23:18, 17 April 2011

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Silicon
28.0855(3)



  Si
14
1s22s22p63s23p2
[ ? ] Metalloid:
Properties:
In crystalline form, grayish metallic luster. Relatively inert chemically.
Uses:
Concrete, glass, refractories, ceramics, semiconductors.


Silicon is a chemical element, having the chemical symbol Si. Its atomic number (the number of protons) is 14. It has a standard atomic weight of 28.0855 g•mol −1, and is typically found as a solid.

Silicon is considered a member of the "Metalloid" class of element. At a pressure of 101.325 kPa, it has a boiling point 3,265 °C, and a melting point of 1,414 °C.