Thorium

Properties of thorium atoms

Ionisation Energies and electron affinity

The electron affinity of thorium is no data  kJ mol^-1. The ionisation energies of thorium are given below.

Electronic configuration

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

• Ground state electron configuration:  [Rn].6d².7s²
• Shell structure:  2.8.18.32.18.10.2
• Term symbol:   ³F₂

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

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