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DUMET Medical DUMET Medical Solved Paper-2001

  • question_answer
    The nitrogen atoms has 7 electrons, the nitride ion \[({{N}^{3-}})\] will have:

    A)  4 protons and 7 electrons

    B)  7 protons and 10 electrons

    C)  4 protons and 10 electrons

    D)  10 protons and 7 electrons

    Correct Answer: B

    Solution :

    Key Idea: Anions are negatively charged species and are formed by gain of electrons. \[N+3{{e}^{-}}\to {{N}^{3-}}\] No. of e 7           10 No. of p    7              7


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