Ruthenium

Properties of ruthenium atoms

Ionisation Energies and electron affinity

The electron affinity of ruthenium is 101.3  kJ mol^-1. The ionisation energies of ruthenium 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 ruthenium in its compounds is not necessarily the same.

• Ground state electron configuration:  [Kr].4d⁷5s¹
• Shell structure:  2.8.18.15.1
• Term symbol:   ⁵F₅

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

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