All chemical elements

Symbol

Na

Atomic number

11

Chemical property

Alkali metal

Origin o the name

the English word soda (natrium in Latin)

Group

1

Period

3

Atomic weight (u)

22.989769

Atomic weight uncertainty (u)

0

Density (g/cm³)

0.971

Melting point (K)

370.87

Boiling point (K)

1156

Heat capacity (J/(g·K))

1.228

Electro-negativity

0.93

Abundance in earth's crust (mg/kg)

23600