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1s2 what does the 1 represent

1s2 what does the 1 represent-example-1
1s2 what does the 1 represent-example-1
1s2 what does the 1 represent-example-2
1s2 what does the 1 represent-example-3

1 Answer

5 votes
1 is the quantum number or the shell number. Or the The orbital number.. s represents the shape (circle) and the 2 represents how many electrons are in that orbital
User Dule Arnaux
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