Tantalum

Properties of tantalum atoms

The electron affinity of tantalum is 31  kJ mol^-1.

Ionisation Energies

This section includes ionisation energies of tantalum.

Electronic configuration

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

• Ground state electron configuration:  [Xe].4f¹⁴.5d³.6s²
• Shell structure:  2.8.18.32.11.2
• Term symbol:   ⁴F_3/2

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

WebElements Shop

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