Ununbium

Properties of ununbium atoms

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

Ionisation Energies

This section includes ionisation energies of ununbium.

Electronic configuration

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

• Ground state electron configuration:  [Rn].5f¹⁴.6d¹⁰.7s² (a guess based upon that of mercury)
• Shell structure:  2.8.18.32.32.18.2
• Term symbol:   ¹S₀ (a guess based upon guessed electronic structure)

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

WebElements Shop

WebElements now has a WebElements shop at which you can buy periodic table posters, mugs, T-shirts, games, molecular models, and more.