Properties of fluorine atoms

Ionisation Energies and electron affinity

The electron affinity of fluorine is 328  kJ mol-1. The ionisation energies of fluorine are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 1681.0
2nd 3374.2
3rd 6050.4
4th 8407.7
5th 11022.7
6th 15164.1
7th 17868
8th 92038.1
9th 106434.3

Ionisation energies of F

Electronic configuration

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

Pointer to The Orbitron gallery of orbitals.

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

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fluorine atomic number