Properties of scandium atoms

Ionisation Energies and electron affinity

The electron affinity of scandium is 18.1  kJ mol-1. The ionisation energies of scandium are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 633.1
2nd 1235.0
3rd 2388.6
4th 7090.6
5th 8843
6th 10679
7th 13310
8th 15250
9th 17370
10th 21726
11th 24102
12th 66320
13th 73010
14th 80160
15th 89490
16th 97400
17th 105600
18th 117000
19th 124270
20th 547530
21st 582163

Ionisation energies of Sc

Electronic configuration

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

Pointer to The Orbitron gallery of orbitals.

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

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scandium atomic number