Calcium
Electron Configuration: 2,8,8,2
Enthalpy of Fusion (kJ mol-1): 9.33
Enthalpy of Vaporisation (kJ mol-1): 150.6
Atomic Radii
Atomic Radius 180 pm
Bohr Radius 194 pm
Covalent Radius 174 pm
Van der Waals 0 pm
Oxidation States
Main Ca+2
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 589.7
M+ - M2+ 1145
M2+ - M3+ 4910
M3+ - M4+ 6474
M4+ - M5+ 8144
M5+ - M6+ 10496
M6+ - M7+ 12320
M7+ - M8+ 14207
M8+ - M9+ 18191
M9+ - M10+ 20385