Erbium
Electron Configuration: 2,8,18,30,8,2
Enthalpy of Fusion (kJ mol-1): 17.2
Enthalpy of Vaporisation (kJ mol-1): 280
Atomic Radii
Atomic Radius 175 pm
Bohr Radius 226 pm
Covalent Radius 0 pm
Van der Waals 0 pm
Oxidation States
Main Er+3
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 588.7
M+ - M2+ 1151
M2+ - M3+ 2194
M3+ - M4+ 4115