Electron shells for the first 20 elements

Electron shells for the first 20 elements & shells filling rules

In this post, we will present a diagram displaying the electron shells for the first 20 elements of the Periodic Table.The number of electrons increases by 1 each time. (It is the same as the proton number.) The shells fill according to the rules given in the next section. Electron shells filling rules Electrons are […]

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