All chemical elements

Symbol

U

Atomic number

92

Chemical property

Actinide

Origin o the name

Uranus, the seventh planet in the Solar System

Period

7

Atomic weight (u)

238.02891

Atomic weight uncertainty (u)

0.00003

Density (g/cm³)

18.95

Melting point (K)

1405.3

Boiling point (K)

4404

Heat capacity (J/(g·K))

0.116

Electro-negativity

1.38

Abundance in earth's crust (mg/kg)

2.7