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What are the maximum number of electrons in each shell?
Electron Shell Definition, Energy Levels & Valence
Difference between shells, subshells and orbitals
Fundamental doubts about energy levels vs. shells vs. subshells vs ...
Is there a difference between energy levels and electron shells?
Why does the 3rd electron shell start filling up with scandium?
Electron Orbitals | Definition, Subshells & Shapes - Study.com
Why do atoms "want" to have a full outer shell?
electronic configuration - Electron shell, how do they know it ...
How to determine the number of electron in a shell [duplicate]