NEET Exam Model Paper 3

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Question : 49 of 180

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If n = 6, the correct sequence of filling of electrons will be

ns→np→(n−1)d→(n−2)f
ns→(n−2)f→(n−1)d→np
ns→(n−1)d→(n−2)f→np
ns→(n−2)f→np→(n−1)d

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