Nobelium

ElementNobeliumSymbolNo
Atomic Number102Molar Mass259.1 gmol-1
Electron Configuration[Rn]5f147s2Normal Statesolid metal
Density @STP g cm-3Melting PointoC
Boiling PointoCStable Isotopesnone
Atomic Radius pmIonic Radius113 (2+) pm
Electronegativity (Pauling)1.3Ionization Energy (1st)642 kJ mol-1
Ionization Energy (2nd)1254 kJ mol-1Ionization Energy (3rd)2605 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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