Properties of tantalum atoms

Ionisation Energies and electron affinity

The electron affinity of tantalum is 31  kJ mol-1. The ionisation energies of tantalum are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 761
2nd 1500

Ionisation energies of Ta

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.

Pointer to The Orbitron gallery of orbitals.

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

WebElements Shop

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

Periodic Table fridge magnets Periodic Table fridge magnets
Buy our periodic table fridge magnets here

WebElements poster Periodic table t-shirts Periodic table mouse mats Molymod molecular model kits Chemistry educational resources

tantalum atomic number