Properties of cerium atoms

Ionisation Energies and electron affinity

The electron affinity of cerium is 50  kJ mol-1. The ionisation energies of cerium are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 534.4
2nd 1050
3rd 1949
4th 3547
5th 6325
6th 7490

Ionisation energies of Ce

Electronic configuration

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

Pointer to The Orbitron gallery of orbitals.

Kossel shell structure of Ce
A schematic representation of the shell structure of cerium - not what the atom of cerium "looks like".

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cerium atomic number