Properties of chromium atoms

Ionisation Energies and electron affinity

The electron affinity of chromium is 64.3  kJ mol-1. The ionisation energies of chromium are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 652.9
2nd 1590.6
3rd 2987
4th 4743
5th 6702
6th 8744.9
7th 15455
8th 17820
9th 20190
10th 23580
11th 26130
12th 28750
13th 34230
14th 37066
15th 97510
16th 105800
17th 114300
18th 125300
19th 134700
20th 144300
21st 157700

Ionisation energies of Cr

Electronic configuration

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

Pointer to The Orbitron gallery of orbitals.

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

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chromium atomic number