Sm

SAMARIUM

Definition from the mineral 'samarskite' named after Col. VS samarsky of russia.

Discovery 1879

Uses Optical glass and masers

Group of Elements Lanthanide(Solid)

Atomic Weight 150.36

Oxidation State +2,3

Melting Point 1072

Boiling Point 1778

Density 7.54 g/cm3

Electronegativity 1.2