Aluminium

Properties of aluminium atoms

The electron affinity of aluminium is 42.5  kJ mol^-1.

Ionisation Energies

This section includes ionisation energies of aluminium.

Electronic configuration

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

• Ground state electron configuration:  [Ne].3s².3p¹
• Shell structure:  2.8.3
• Term symbol:   ²P_1/2

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

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