Rutherfordium

ElementRutherfordiumSymbolRf
Atomic Number104Molar Mass261.11 gmol-1
Electron Configuration[Rn]5f146d27s2Normal Statesolid metal
Density @STPg cm-3Melting Point2673oC
Boiling Point6073oCStable Isotopesnone
Atomic Radius150 pmIonic Radius67 (4+) pm
Electronegativity (Pauling)Ionization Energy (1st)409 kJ mol-1
Ionization Energy (2nd)kJ mol-1Ionization Energy (3rd)kJ mol-1
Molar Heat CapacityJ K-1mol-1Standard Molar EntropyJ K-1mol-1
Enthalpy of FusionkJ mol-1Enthalpy of VapourizationkJ mol-1
[Back to Periodic table] [ Home - www.gordonengland.co.uk]