All chemical elements

Symbol

Be

Atomic number

4

Chemical property

Alkaline earth metal

Origin o the name

beryl, a mineral

Group

2

Period

2

Atomic weight (u)

9.012183

Atomic weight uncertainty (u)

0.000001

Density (g/cm³)

1.85

Melting point (K)

1560

Boiling point (K)

2742

Heat capacity (J/(g·K))

1.825

Electro-negativity

1.57

Abundance in earth's crust (mg/kg)

2.8