Sulfur
Electron Configuration: 2,8,6
Enthalpy of Fusion (kJ mol-1): 1.23
Enthalpy of Vaporisation (kJ mol-1): 9.62
Atomic Radii
Atomic Radius 100 pm
Bohr Radius 88 pm
Covalent Radius 102 pm
Van der Waals 180 pm
Oxidation States
Main S-2, S0, S+6
Other S-1, S+1, S+2, S+3, S+4, S+5
Ionisation Energies (kJ mol-1) show graph
M - M+ 999.6
M+ - M2+ 2251
M2+ - M3+ 3361
M3+ - M4+ 4564
M4+ - M5+ 7013
M5+ - M6+ 8495
M6+ - M7+ 27106
M7+ - M8+ 31669
M8+ - M9+ 36578
M9+ - M10+ 43138
Covalent Bonds (kJ mol-1)
S-H 347
S-C 272
S=C 476
S-O 265
S=O 525
S-F 328
S-Cl 255
S-S 226