Silicon

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by biancablackwell
Last updated 5 years ago

Discipline:
Science
Subject:
Chemistry
Grade:
10

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Silicon

EXPERIMENT

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Silicon is often used in sandpaper, sharpening stones , clay , pottery , concrete and brick .

Silicon is a inert element , most acids do noy affect it except Hydrofluoric . Silicon transmits more than 95% of all wavelengths .

Symbol-siAtomic Mass- 28.0855Atomic Number-14Isotopes-28si, 29si, 30si

Berzelius was the first to actually discover Silicon in 1824 , he prepared amorphous silicon and purified the product by removing the fluosllicates by repeated washings.

SILICON!

The History

Properties

Compounds

Silicon makes up 25.7% of the earth's crust by weight and takes the form of sand , quartz and rock crystal .

Ways it's used

https://www.youtube.com/watch?v=gcIWcX3G6-Uhttp://www.webelements.com/http://periodic.lanl.gov/index.shtml


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