Yttrium

Properties

Atomic Number

39

Atomic Symbol

Y

Atomic Mass

88.9059

CAS No.

7440-65-5

Density

4.472 g/cm³

Series

transition metal

Melting Point

1,526°C

Boiling Point

3,345°C

Thermal Conductivity

0.17 W/cm °C

Heat of Fusion

11.4 kJ/mol

Heat of Vaporization

380 kJ/mol

Electronegativity

1.22 pauling

Crystal Structure

Hexagonal

Electrical Conductivity

1.8×10⁶ S/m