62 Sm 150.362
Samarium
LANTHANIDE
Phase: Solid
Discovered: Lecoq de Boisbaudran
Block: F
Summary
Samarium is a chemical element with symbol Sm and atomic number 62. It is a moderately hard silvery metal that readily oxidizes in air. Being a typical member of the lanthanide series, samarium usually assumes the oxidation state +3.
Source: WikipediaPhysical Properties
Atomic Mass 150.362 u
Density 7.52 g/cm³
Melting Point 1345 K
Boiling Point 2173 K