Chemistry, 04.12.2019 05:31 tsbrunson13

Which of the following is the electron configuration of an excited atom that is likely to emit a quantum of energy?

1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s1 3p1

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Which of the following is the electron configuration of an excited atom that is likely to emit a qua...