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which of the following option doesnot represent ground state electronic configuration of an atom ? 1. 1s2 2s2 2p6 3s2 3p6 3d8 4s2 2. 1s2 2s2 2p6 3s2 3p6 3d9 4s2 3. 1s2 2s2 2p6 3s2 3p6 3d10 4

Answer» which of the following option doesnot represent ground state electronic configuration of an atom ? 1. 1s2 2s2 2p6 3s2 3p6 3d8 4s2 2. 1s2 2s2 2p6 3s2 3p6 3d9 4s2 3. 1s2 2s2 2p6 3s2 3p6 3d10 4


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