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Atomic symbol - Gd
Atomic weight - 157.25
Atomic number - 64
Electron configuration - 2-8-18-25-9-2
Oxidation states - +3
State of matter - solid
Heavy metal-brittle
Discovered in 1880 by J.-C.- G. de Marignac and P.-. Lecoq de Boisbaudran
Boils at 3223 .C, melts at 1311 .C

Notes:
Gadolinium has a silvery-white color and is moderately ductile. It becomes
ferromagnetic below 17 .C, and near absolute zero, becomes superconducting. It
is used for some electronics, high-temperature refratories, and as an alloying
agent.

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