Francium

Properties of francium atoms

The electron affinity of francium is no data  kJ mol^-1.

Ionisation Energies

This section includes ionisation energies of francium.

Electronic configuration

The following represents the electronic configuration and its associated term symbol for the ground state neutral gaseous atom. The configuration associated with francium in its compounds is not necessarily the same.

• Ground state electron configuration:  [Rn].7s¹
• Shell structure:  2.8.18.32.18.8.1
• Term symbol:   ²S_1/2

A schematic representation of the shell structure of francium - not what the atom of francium "looks like".

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