Bismuth
Electron Configuration: 2,8,18,32,18,5
Enthalpy of Fusion (kJ mol-1): 10.48
Enthalpy of Vaporisation (kJ mol-1): 179.1
Atomic Radii
Atomic Radius 160 pm
Bohr Radius 143 pm
Covalent Radius 146 pm
Van der Waals 0 pm
Oxidation States
Main Be+3
Other Be-3, Be+1, Be+4
Ionisation Energies (kJ mol-1) show graph
M - M+ 703.2
M+ - M2+ 1610
M2+ - M3+ 2466
M3+ - M4+ 4372
M4+ - M5+ 5400
M5+ - M6+ 8520
M6+ - M7+ 10300
M7+ - M8+ 12300
M8+ - M9+ 14300
M9+ - M10+ 16300
Covalent Bonds (kJ mol-1)
B-H 194
B-C 143
B-O 339
B-F 314
B-Cl 285
B-Bi 200