Plutonium

ElementPlutoniumSymbolPu
Atomic Number94Molar Mass239.05 g mol-1
Electron Configuration[Rn]5f67s2Normal Statesolid metal
Density @STP19.81 g cm-3Melting Point640oC
Boiling Point3228oCStable Isotopesnone
Atomic Radius151 pmIonic Radius108 (3+) pm
Electronegativity (Pauling)1.28Ionization Energy (1st)585 kJ mol-1
Ionization Energy (2nd)1129 kJ mol-1Ionization Energy (3rd)2103 kJ mol-1
Molar Heat Capacity J K-1mol-1Standard Molar Entropy J K-1mol-1
Enthalpy of Fusion kJ mol-1Enthalpy of Vapourization kJ mol-1
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