Periodic Table of Elements showing Californian actinide metal elements


Atomic Number98
Molar Mass251.08 g mol-1
Electron Configuration[Rn]5f107s2
Normal Statesolid metal
Density @STP15.1 g cm-3
Melting Point900oC
Boiling Point1470oC
Stable Isotopesnone
Atomic Radius
Ionic Radius117 (2+) pm
Electronegativity (Pauling)1.3
Ionization Energy (1st)608 kJ mol-1
Ionization Energy (2nd)1206 kJ mol-1
Ionization Energy (3rd)2277 kJ mol-1
Molar Heat Capacity J K-1mol-1
Standard Molar Entropy J K-1mol-1
Enthalpy of Fusion kJ mol-1
Enthalpy of Vapourization kJ mol-1
[Back to Periodic table]

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