Silicon

Atomic Number: 14

Atomic mass: 28.0855 

Melting point: 1410 °C

Boiling point: 3265 °C

Electronegativity: 1.8

discoverer: Jons Berzelius

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Description: 

Silicon is the most abundant electropositive element in The Earth’s crust. It’s a metalloid with a marked metallic luster and very brittle.

Atom model