Yttrium
Electron Configuration: 2,8,18,9,2
Enthalpy of Fusion (kJ mol-1): 17.2
Enthalpy of Vaporisation (kJ mol-1): 367.4
Atomic Radii
Atomic Radius 180 pm
Bohr Radius 212 pm
Covalent Radius 162 pm
Van der Waals 0 pm
Oxidation States
Main Y+3
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 616
M+ - M2+ 1181
M2+ - M3+ 1980
M3+ - M4+ 5963
M4+ - M5+ 7430
M5+ - M6+ 8970
M6+ - M7+ 11200
M7+ - M8+ 12400
M8+ - M9+ 14137
M9+ - M10+ 18400