Properties of technetium atoms

Ionisation Energies and electron affinity

The electron affinity of technetium is 53  kJ mol-1. The ionisation energies of technetium are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 702
2nd 1470
3rd 2850

Ionisation energies of Tc

Electronic configuration

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

Pointer to The Orbitron gallery of orbitals.

Kossel shell structure of Tc
A schematic representation of the shell structure of technetium - not what the atom of technetium "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

technetium atomic number