Cadmium

ElementCadmiumSymbolCd
Atomic Number48Molar Mass112.4 gmol-1
Electron Configuration[Kr]4d105s2Normal Statesolid metal
Density @STP8.65 g cm-3Melting Point321oC
Boiling Point767oCStable Isotopes106Cd, 108Cd, 110Cd, 111Cd, 112Cd, 113Cd, 114Cd, 116Cd
Atomic Radius152 pmIonic Radius103 (2+) pm
Electronegativity (Pauling)1.69Ionization Energy (1st)868 kJ mol-1
Ionization Energy (2nd)1631 kJ mol-1Ionization Energy (3rd)3616 kJ mol-1
Molar Heat Capacity26 J K-1mol-1Standard Molar Entropy51.8 J K-1mol-1
Enthalpy of Fusion6.11 kJ mol-1Enthalpy of Vapourization99.87 kJ mol-1
[Back to Periodic table] [ Home - www.gordonengland.co.uk]