Atomic Number: 24

Name: Chromium

Atomic symbol: Cr

Atomic Weight: 51.996

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d⁵4s¹

Ionization energies: 652 kJ/mol

Pauling electronegativity: 1.6

Melting Point: 1857^oC

Boiling Point: 2672^oC

Hardness (Mohs scale): 9.0

Density: 7.20 g/cm³

Covalent radius: 1.18 angstroms

Ionic radius: 0.81 angstroms (+1); 0.89 angstroms (+2); 0.63 angstroms (+3); 0.52 angstroms (+6)

Common oxidation states in compounds: +2, +3, +6