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Chlorine
Electron Configuration 2,8,7
Electron Configuration [Ne] 3s2 3p5
Electronegativity 3.16
Enthalpy of Fusion 6.41 kJ mol-1
Enthalpy of Vaporisation 20.403 kJ mol-1
Heat Capacity (Cl2) 33.949 J mol-1 K-1
Thermal Conductivity 8.9 W m-1 K-1
Thermal Expansion ? μm m-1 K-1
Magnetic ordering Non-magnetic
Electrical resistivity 10+ Ω m
Speed of sound 206 m s-1
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