All chemical elements

Symbol

Cr

Atomic number

24

Chemical property

Transition metal

Origin o the name

the Greek chroma, 'color'

Group

6

Period

4

Atomic weight (u)

51.9961

Atomic weight uncertainty (u)

0.0006

Density (g/cm³)

7.15

Melting point (K)

2180

Boiling point (K)

2944

Heat capacity (J/(g·K))

0.449

Electro-negativity

1.66

Abundance in earth's crust (mg/kg)

102