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Question:

What;s the electron structure for these elements?

Oxygen, Calcium, Aluminium, Argon and Silicon

Answer:

I don't know how detailed you want these electron structuresIf you just want the principal energy levels, they are the following: O: 2-6 Ca: 2-8-8-2 Al: 2-8-3 Ar: 2-8-8 Si: 2-8-4 If you want the subshells as well, they are the following: O: 1s^2 2s^2 2p^4 Ca: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 Al: 1s^2 2s^2 2p^6 3s^2 3p^1 Ar: 1s^2 2s^2 2p^6 3s^2 3p^6 Si: 1s^2 2s^2 2p^6 3s^2 3p^2 Note: The big numbers in front of the small letters are the numbers of principal energy levelsThe numbers that appear behind the small letters (^2) are the superscript indicating the number of electrons in each subshell.

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