Which element in n = 4 has full s and p shells? Chemistry question.

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science chemistry

Answer 1

Answer #1

Kr =36 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6

Kr = 36 [Ar] 3d^10 4s^2 4p^6

In krypton n = 4 has full s and p shell

The element is Krypton >>>>answer

Answer 2

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