Properties of samarium atoms

Ionisation Energies and electron affinity

The electron affinity of samarium is 50  kJ mol-1. The ionisation energies of samarium are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 544.5
2nd 1070
3rd 2260
4th 3990

Ionisation energies of Sm

Electronic configuration

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

Pointer to The Orbitron gallery of orbitals.

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

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samarium atomic number