All chemical elements

Symbol

Lu

Atomic number

71

Chemical property

Lan­thanide

Origin o the name

Lutetia, the Latin name for Paris

Period

6

Atomic weight (u)

174.9668

Atomic weight uncertainty (u)

0.0001

Density (g/cm³)

9.84

Melting point (K)

1925

Boiling point (K)

3675

Heat capacity (J/(g·K))

0.154

Electro-negativity

1.27

Abundance in earth's crust (mg/kg)

0.8