14

Si

Silicon

28.084

Semimetal
Solid

Discovery

Berzelius, Jöns Jacob (1824)

Etymology

Latin

Meaning

Flint

Electron configuration

Electron configuration

Crystal structure

Crystal structure

Face-centered diamond-cubic

Physical Properties

Phase

  (at 21 °C and 101.325 kPa)

Solid

Melting point

  (at 101.325 kPa)

1410.0 °C

1683.15 K

Boiling point

  (at 101.325 kPa)

2355.0 °C

2628.15 K

Density

  (at 21 °C and 101.325 kPa)

2.33 g/cm3

Electronegativity

1.90