Beryllium

Properties of beryllium atoms

Ionisation Energies and electron affinity

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

• Ground state electron configuration:  [He].2s²
• Shell structure:  2.2
• Term symbol:   ¹S₀

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

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