Properties of platinum atoms

Ionisation Energies and electron affinity

The electron affinity of platinum is 205.3  kJ mol-1. The ionisation energies of platinum are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 870
2nd 1791

Ionisation energies of Pt

Electronic configuration

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

Pointer to The Orbitron gallery of orbitals.

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

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platinum atomic number