Europium
Electron Configuration: 2,8,18,25,8,2
Enthalpy of Fusion (kJ mol-1): 10.5
Enthalpy of Vaporisation (kJ mol-1): 176
Atomic Radii
Atomic Radius 185 pm
Bohr Radius 231 pm
Covalent Radius 185 pm
Van der Waals 0 pm
Oxidation States
Main Eu+3
Other Eu+2
Ionisation Energies (kJ mol-1) show graph
M - M+ 546.7
M+ - M2+ 1085
M2+ - M3+ 2404
M3+ - M4+ 4110