Chromium
Electron Configuration: 2,8,13,1
Enthalpy of Fusion (kJ mol-1): 15.3
Enthalpy of Vaporisation (kJ mol-1): 341.8
Atomic Radii
Atomic Radius 140 pm
Bohr Radius 166 pm
Covalent Radius 127 pm
Van der Waals 0 pm
Oxidation States
Main Cr+3
Other Cr-2, Cr-1, Cr0, Cr+1, Cr+2, Cr+4, Cr+5, Cr+6
Ionisation Energies (kJ mol-1) show graph
M - M+ 652.7
M+ - M2+ 1592
M2+ - M3+ 2987
M3+ - M4+ 4740
M4+ - M5+ 6690
M5+ - M6+ 8738
M6+ - M7+ 15550
M7+ - M8+ 17830
M8+ - M9+ 20220
M9+ - M10+ 23580