JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties Question Bank Valency and oxidation state

  • question_answer The maximum valency of an element with atomic number 7 is [AFMC 2002]

    A) 2

    B) 5

    C) 4

    D) 3

    Correct Answer: B

    Solution :

    Valency is according to valence shall configuration which here is \[1{{s}^{2}},2{{s}^{2}},2{{p}^{3}},\,\,ie.\,5\]

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