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118 bytes added ,  11:44, 18 February 2015
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[http://education.jlab.org/itselemental/ele014.html jefferson lab]<br>
 
[http://education.jlab.org/itselemental/ele014.html jefferson lab]<br>
 
[http://www.webelements.com/silicon/ Web elements]<br>
 
[http://www.webelements.com/silicon/ Web elements]<br>
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[http://www.webelements.com/silicon/ Silicon essential]
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[http://www.chem4kids.com/files/elements/014_speak.html Kids]
    
==Reference Books==
 
==Reference Books==

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