14Si

Silicon

Metalloid

Silicon (Si) is element 14, a metalloid, in period 3 and group 14 of the periodic table. Its standard atomic weight is 28.086, it melts at 1414 °C and boils at 3265 °C. Discovered by Jons Jacob Berzelius, 1824.

Atomic Number14

SymbolSi

NameSilicon

Atomic Weight28.086 u

CategoryMetalloid

Period3

Group14

Melting Point1414 °C

Boiling Point3265 °C

Density2.3296 g/cm³

Electron Config[Ne] 3s2 3p2

Discovered ByJons Jacob Berzelius, 1824

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