Among the following representations of excited states of atoms which i

1.	Among the following representations of excited states of atoms which is impossible ?
Answer» `1s^2 2s^1` `3s^2 3p^3 4s^1` `1s^2 2s^2 2p^4 3s^2` `[NE]3s^2 3p^6 3d^2 4s^3` SOLUTION :`4s^3` is not POSSIBLE

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