Ununseptium

Properties of ununseptium atoms

The electron affinity of ununseptium is no data  kJ mol^-1.

Ionisation Energies

This section includes ionisation energies of ununseptium.

Electronic configuration

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

• Ground state electron configuration:  [Rn].5f¹⁴.6d¹⁰.7s².7p⁵ (a guess based upon that of astatine)
• Shell structure:  2.8.18.32.32.18.7
• Term symbol:   ²P_3/2 (a guess based upon guessed electronic structure)

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

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