Properties of osmium atoms

Ionisation Energies and electron affinity

The electron affinity of osmium is 106.1  kJ mol-1. The ionisation energies of osmium are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 840
2nd 1600

Ionisation energies of Os

Electronic configuration

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

Pointer to The Orbitron gallery of orbitals.

Kossel shell structure of Os
A schematic representation of the shell structure of osmium - not what the atom of osmium "looks like".

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osmium atomic number