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Which of the following representation of excited states of atoms is impossible?

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By Expert Faculty of Sri Chaitanya
a
1s12s1
b
[Ne] 3s23p34s1
c
[Ne] 3s23p34s13d6
d
1s22s22p73s2

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detailed solution

Correct option is D

The representation of excited states of atoms is impossible in 1s22s2 2p73s2 because maximum electrons are present in p orbital is 6
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