Chlorine
Electron Configuration: 2,8,7
Enthalpy of Fusion (kJ mol-1): 6.41
Enthalpy of Vaporisation (kJ mol-1): 20.403
Atomic Radii
Atomic Radius 100 pm
Bohr Radius 79 pm
Covalent Radius 99 pm
Van der Waals 175 pm
Oxidation States
Main Cl-1, Cl+7
Other Cl+1, Cl+3, Cl+4, Cl+5, Cl+6
Ionisation Energies (kJ mol-1) show graph
M - M+ 1251.1
M+ - M2+ 2297
M2+ - M3+ 3826
M3+ - M4+ 5158
M4+ - M5+ 6540
M5+ - M6+ 9362
M6+ - M7+ 11020
M7+ - M8+ 33610
M8+ - M9+ 38600
M9+ - M10+ 43960
Covalent Bonds (kJ mol-1)
Cl-O 206
Cl-Cl 242
Cl-F 257
Cl-H 431