Number of Isotopes: 1
Electron Affinity (kJ/mol): 295.16
First Ionization Energy (kJ/mol): 1008.4
Second Ionization Energy (kJ/mol): 1845.8
Third Ionization Energy (kJ/mol): 3184
Electronegativity: 2.66
Polarizability (Å3): 5
Atomic Volume (cm3/mol): 25.7
Ionic Radius2- (pm): No data
Ionic Radius1- (pm): 206
Atomic Radius (pm): 133
Ionic Radius1+ (pm): No data
Ionic Radius2+ (pm): No data
Ionic Radius3+ (pm): No data
Common Oxidation Numbers: -1, +1, +3, +5, +7
Other Oxid. Numbers: