Symbol
Cr
Atomic Number
24
Atomic Mass
51.996
Protons
24
Neutrons
28
Electrons
24
Type
Transition Metal
Isotopes
Chromium-50, Chromium-52, Chromium-53, Chromium-54
Discovery Year
1797
Discovered By
Louis Nicolas Vauquelin
Group
6
Period
4
Boiling Point
4840°F
Melting Point
3407°F
Electron Configuration
[Ar] 3d⁵ 4s¹
Density (g/cm³)
7.19
Crystal Structure
Body-centered cubic
Magnetism
Antiferromagnetic
Abundance in Earth's Crust
0.012%
Phase at Room Temperature
Solid