All chemical elements

Symbol

Sm

Atomic number

62

Chemical property

Lan­thanide

Origin o the name

Samarskite, the name of the mineral from which it was first isolated

Period

6

Atomic weight (u)

150.36

Atomic weight uncertainty (u)

0.02

Density (g/cm³)

7.52

Melting point (K)

1345

Boiling point (K)

2067

Heat capacity (J/(g·K))

0.197

Electro-negativity

1.17

Abundance in earth's crust (mg/kg)

7.05