All chemical elements

Symbol

Si

Atomic number

14

Chemical property

Metalloid

Origin o the name

from the Latin silex, 'flint' (originally silicium)

Group

14

Period

3

Atomic weight (u)

28.085

Density (g/cm³)

2.3296

Melting point (K)

1687

Boiling point (K)

3538

Heat capacity (J/(g·K))

0.705

Electro-negativity

1.9

Abundance in earth's crust (mg/kg)

282000