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The Basics

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cynthia lopez

on 10 March 2014

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Transcript of The Basics

Chemical Properties

Silicon is a relatively inactive element at room temperature. It doesn't usually combine with oxygen or most other elements. Water, steam and most acids have very little affect on the on the elements. However at higher temperatures silicon becomes much more reactive. In the melted state it combines with oxygen, nitrogen, sulfur, phosphorous, and other elements. It also forms a number of alloys very easily in the melted state.
Physical Properties
color: Pure silicon is solid and dark grey
solid
It has a metallic shine or glow
melts at 1417 degrees Celsius
boils at 2600 degrees Celsius
semi conductor
History
Discovered by J.J Berzelius
Discovered on 1824
Origin of the name came from the Latin word "silex" or "silics" meaning flint
The Basics
Silicon has an atomic number of 14
It has an atomic mass of 28
Contains 14 protons, 14 neutrons, 14 electrons
Silicon is a metal
S I L I C O N
S I L I C O N
In family number 4
Period number 3
4 Valence Electrons
3 shells
Uses
Used for pottery
Used for computers
essential to plant life
used in microelectronic industries
makes us 27% of the earths crust
important for animal life
Full transcript