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Template:Infobox element/symbol-to-top-image/alt
Small grains of silicon because it has been crushed. This is not the silicon used in computers.
A thin cut of a large crystal of silicon that is very smooth. This is the type of silicon can be used in computers because it is very pure.

Silicon is a chemical element. Its atomic number is 14 on the periodic table. Its symbol is Si. It is a hard, brittle crystalline solid. It is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic table.

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