https://www.mrcorfe.com/KS4/Edexcel/Chemistry/C2-6-InYourElement/ElectronConfigTest.php
7th Apr '26
Electron Configeration Test
Fill in the gaps to show the electronic configuration using the 2.8.8.2 format
Element
Atomic
Number
Electronic
Configuration
1
He
2
2
Be
4
3
B
5
4
O
8
5
F
9
6
Na
11
7
Si
14
8
S
16
9
Cl
17
10
K
19