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[Daily Question] Registered Exam Version 2019.04.02

2019-04-02View Original

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If the electron configuration of a certain nucleus is written as ns2np7, it violates ( ). A. Pauli exclusion principle B. Principle of minimum energy C. Hund’s rule D. Exceptions to Hund’s rule. The reference answers can be seen after responding; scoring is possible by identifying the key points. Answer: A is correct. 3 points for correctness, 1 point for error. For mass posting, the lowest score is assigned ; Replies that are unrelated to the answer are considered spam and will be deleted immediately.

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