Astatine
Electron Configuration: 2,8,18,32,18,7
Enthalpy of Fusion (kJ mol-1): 23.8
Enthalpy of Vaporisation (kJ mol-1): n/a
Atomic Radii
Atomic Radius 145 pm
Bohr Radius 0 pm
Covalent Radius 0 pm
Van der Waals 0 pm
Oxidation States
Main At-1, At+1, At+3
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 930
M+ - M2+ 1600
M2+ - M3+ 2900
M3+ - M4+ 4000
M4+ - M5+ 4900
M5+ - M6+ 7500
M6+ - M7+ 8800
M7+ - M8+ 13300
M8+ - M9+ 15400
M9+ - M10+ 17700
Covalent Bonds (kJ mol-1)
At-At 110