Argon

Properties of argon atoms

Ionisation Energies and electron affinity

The electron affinity of argon is 0  kJ mol^-1. The ionisation energies of argon 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 argon in its compounds is not necessarily the same.

• Ground state electron configuration:  [Ne].3s².3p⁶
• Shell structure:  2.8.8
• Term symbol:   ¹S₀

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

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