Beryllium

Properties

Atomic Number

4

Atomic Symbol

Be

Atomic Mass

9.0121831

CAS No.

7440-41-7

Density

1.848 g/cm³

Series

alkaline earth metal

Melting Point

1,287°C

Boiling Point

2,470°C

Thermal Conductivity

1.9 W/cm °C

Heat of Fusion

7.95 kJ/mol

Heat of Vaporization

297 kJ/mol

Electronegativity

1.57 pauling

Crystal Structure

Hexagonal

Electric Type

Conductor

Electrical Conductivity

2.5×10⁷ S/m

Resistivity

36 nΩ·m at 20°C