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Handout
Web Elements

Web Elements Periodic Table: Silicon

For Students 9th - 10th
Excellent site with a great deal of helpful information on silicon.
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Handout
Chemicool

Chemicool.com: Silicon

For Students 9th - 10th
This site from Chemicool.com provides a very through set of tables summarizing many physical and chemical properties of silicon.
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Interactive
University of Kentucky

Chem Comics: Silicon

For Students 9th - 10th
Comics featuring silicon.