Periodic Table of Elements showing Xenon noble gas elements


Atomic Number54
Molar Mass131.3 gmol-1
Electron Configuration[Kr]4d105s25p6
Normal Stategas nonmetal
Density @STP5.9x10-3 g cm-3
Melting Point-112oC
Boiling Point-108oC
Stable Isotopes124Xe, 126Xe, 128Xe, 129Xe, 130Xe, 131Xe, 132Xe, 136Xe
Atomic Radius218 pm
Ionic Radius190 (1-) pm
Electronegativity (Pauling)2.6
Ionization Energy (1st)1170 kJ mol-1
Ionization Energy (2nd)2046 kJ mol-1
Ionization Energy (3rd)3097 kJ mol-1
Molar Heat Capacity20.8 J K-1mol-1
Standard Molar Entropy169.7 J K-1mol-1
Enthalpy of Fusion3.1 kJ mol-1
Enthalpy of Vapourization12.65 kJ mol-1
[Back to Periodic table]

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