Samarium
Electron Configuration: 2,8,18,24,8,2
Enthalpy of Fusion (kJ mol-1): 10.9
Enthalpy of Vaporisation (kJ mol-1): 164.8
Atomic Radii
Atomic Radius 185 pm
Bohr Radius 238 pm
Covalent Radius 0 pm
Van der Waals 0 pm
Oxidation States
Main Sm+3
Other Sm+2
Ionisation Energies (kJ mol-1) show graph
M - M+ 543.3
M+ - M2+ 1068
M2+ - M3+ 2260
M3+ - M4+ 3990