Periodic Table of Elements showing Francium alkali metal elements


Atomic Number87
Molar Mass223 gmol-1
Electron Configuration[Rn]7s1
Normal Statesolid metal
Density @STP1 g cm-3
Melting Point27oC
Boiling Point677oC
Stable Isotopesnone
Atomic Radius270 pm
Ionic Radius180 (1+) pm
Electronegativity (Pauling)0.7
Ionization Energy (1st)380 kJ mol-1
Ionization Energy (2nd)2100 kJ mol-1
Ionization Energy (3rd)3100 kJ mol-1
Molar Heat CapacityJ K-1mol-1
Standard Molar EntropyJ K-1mol-1
Enthalpy of FusionkJ mol-1
Enthalpy of VapourizationkJ mol-1
[Back to Periodic table]

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