Lanthanum

Properties of lanthanum atoms

The electron affinity of lanthanum is 48  kJ mol^-1.

Ionisation Energies

This section includes ionisation energies of lanthanum.

Electronic configuration

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

• Ground state electron configuration:  [Xe].5d¹.6s²
• Shell structure:  2.8.18.18.9.2
• Term symbol:   ²D_3/2

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

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