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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Atomic number, Mass number Atomic species

  • question_answer
    The nitrogen atom has 7 protons and 7 electrons, the nitride ion \[({{N}^{3-}})\]will have                              [NCERT 1977]

    A)                 7 protons and 10 electrons

    B)                 4 protons and 7 electrons

    C)                 4 protons and 10 electrons

    D)                 10 protons and 7 electrons

    Correct Answer: A

    Solution :

                    No. of \[P=Z=7;\] No. of electrons in \[{{N}^{3-}}=7+3=10.\]


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