Chemistry

Chemistry, 17.02.2021 19:50, starreee

1s2, 2s2, 2p6, 3s2, 3p6, 4s2
How many shells does this atom have?

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1s2, 2s2, 2p6, 3s2, 3p6, 4s2
How many shells does this atom have?...

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