All chemical elements

Symbol

Al

Atomic number

13

Chemical property

Post-​transition metal

Origin o the name

from alumina, a compound (originally alumium)

Group

13

Period

3

Atomic weight (u)

26.981539

Atomic weight uncertainty (u)

0.000001

Density (g/cm³)

2.698

Melting point (K)

933.47

Boiling point (K)

2792

Heat capacity (J/(g·K))

0.897

Electro-negativity

1.61

Abundance in earth's crust (mg/kg)

82300