Platinum

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.

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.

• Ground state electron configuration:  [Xe].4f¹⁴.5d⁹.6s¹
• Shell structure:  2.8.18.32.17.1
• Term symbol:   ³D₃

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

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