Sodium

Properties

Atomic Number

11

Atomic Symbol

Na

Atomic Mass

22.9897

CAS No.

7440-23-5

Density

0.968 g/cm³

Series

alkali metal

Melting Point

97.72°C

Boiling Point

883°C

Thermal Conductivity

1.4 W/cm °C

Heat of Fusion

2.6 kJ/mol

Heat of Vaporization

97.7 kJ/mol

Electronegativity

0.93 pauling

Crystal Structure

Cubic

Electrical Conductivity

2.1×10⁷ S/m