Mr Vilchez Science
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Catalogue
Interactive Lab:
Electron Shell Builder
Mr Vilchez Science
Target Mode
Build Element
Na
11
e⁻
Sodium
Li
3 e⁻
C
6 e⁻
O
8 e⁻
Ne
10 e⁻
Na
11 e⁻
Mg
12 e⁻
Cl
17 e⁻
Ca
20 e⁻
+11
Click a shell to add
Structure String
0
Expected
11 e⁻
Placed
0 e⁻
Undo Electron
Scientific Rule:
Electrons actively fill the lowest available energy levels purely before populating outer rings.
