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Element: samarium

Name : samarium

Symbol : Sm

Atomicnumber : 62

Relativeatomicmass : 150.36 (2) g [see note g]

Standardstate : solid at 298 K

Appearance : silvery white

Classification : Metallic

Groupinperiodictable : None

Groupname : Lanthanoid

Periodinperiodictable : 6 (lanthanoid)

Blockinperiodictable : f

Shellstructure : 2.8.18.24.8.2

CASRegistry : 7440-19-9

Description : Samarium has a bright silver lustre and is reasonably stable in air.