Number of Isotopes: 3
Electron Affinity (kJ/mol): 141
First Ionization Energy (kJ/mol): 2080.6
Second Ionization Energy (kJ/mol): 3952.2
Third Ionization Energy (kJ/mol): 6121.9
Electronegativity: Not defined (Pauling Scale)
Polarizability (Å3): 0.396
Atomic Volume (cm3mol): 16.7
Ionic Radius2- (pm): No data
Ionic Radius1- (pm): No data
Atomic Radius (pm): 71
Ionic Radius1+ (pm): No data
Ionic Radius2+ (pm): No data
Ionic Radius3+ (pm): No data
Common Oxidation Numbers:
Other Oxid. Numbers: