PERIODIC TABLE

Gadolinium

Atomic No. 64 Gd Gadolinium

About Gadolinium

Gadolinium is a lanthanide with atomic number 64 that predominantly forms compounds in the +3 oxidation state. Gadolinium has useful magnetic properties, and certain isotopes absorb neutrons strongly. Activated gadolinium oxysulfide is used in radiation imaging screens and scintillators, with the activator controlling its light emission.

Properties

Atomic Number: 64
Atomic Symbol: Gd
Atomic Mass: 157.25
CAS No.: 7440-54-2
Density: 7.901 g/cm³
Series: lanthanoid
Melting Point: 1,313°C
Boiling Point: 3,250°C
Thermal Conductivity: 0.11 W/cm °C
Heat of Fusion: 10 kJ/mol
Heat of Vaporization: 305 kJ/mol
Electronegativity: 1.2 pauling
Crystal Structure: Hexagonal
Electrical Conductivity: 770000 S/m