Silicon

Properties

Atomic Number

14

Atomic Symbol

Si

Atomic Mass

28.0855

CAS No.

7440-21-3

Density

2.33 g/cm³

Series

metalloid

Melting Point

1,414°C

Boiling Point

2,900°C

Thermal Conductivity

1.5 W/cm °C

Heat of Fusion

50.2 kJ/mol

Heat of Vaporization

359 kJ/mol

Electronegativity

1.9 pauling

Crystal Structure

Tetrahedral

Electrical Conductivity

1000 S/m