Lutetium

Properties

Atomic Number

71

Atomic Symbol

Lu

Atomic Mass

174.967

CAS No.

7439-94-3

Density

9.841 g/cm³

Series

lanthanoid

Melting Point

1,663°C

Boiling Point

3,402°C

Thermal Conductivity

0.16 W/cm °C

Heat of Fusion

22 kJ/mol

Heat of Vaporization

415 kJ/mol

Electronegativity

1.27 pauling

Crystal Structure

Hexagonal

Electrical Conductivity

1.8×10⁶ S/m