All chemical elements

Symbol

Os

Atomic number

76

Chemical property

Transition metal

Origin o the name

the Greek osmè, meaning 'smell'

Group

8

Period

6

Atomic weight (u)

190.23

Atomic weight uncertainty (u)

0.03

Density (g/cm³)

22.61

Melting point (K)

3306

Boiling point (K)

5285

Heat capacity (J/(g·K))

0.13

Electro-negativity

2.2

Abundance in earth's crust (mg/kg)

0.002