Technetium

Properties of technetium atoms

The electron affinity of technetium is 53  kJ mol^-1.

Ionisation Energies

This section includes ionisation energies of technetium.

Electronic configuration

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

• Ground state electron configuration:  [Kr].4d⁶.5s¹
• Shell structure:  2.8.18.14.1
• Term symbol:   ⁶S_5/2

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

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