Chromium (Cr)

A fascinating transition metal element.

Chromium is element 24 on the periodic table.

Element properties

Atomic number

24

Symbol

Cr

Atomic mass

51.996 u

Category

Transition Metal

Period

4

Group

6

Block

d

State

Solid

Electron configuration

[Ar] 3d5 4s1

Electronegativity (Pauling)

1.66

Density

7.15 g/cm³

Melting point

1907 °C

Boiling point

2671 °C