Lutetium

Properties of lutetium atoms

Ionisation Energies and electron affinity

The electron affinity of lutetium is 33 http://dx.doi.org/10.1088/0953-4075/34/14/102 kJ mol^-1. The ionisation energies of lutetium 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 lutetium in its compounds is not necessarily the same.

• Ground state electron configuration:  [Xe].4f¹⁴.5d¹.6s²
• Shell structure:  2.8.18.32.9.2
• Term symbol:   ²D_3/2

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

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