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

  • question_answer
    A sodium cation has different number of electrons from

    A)                 \[{{O}^{2-}}\]    

    B)                 \[{{F}^{-}}\]

    C)                 \[L{{i}^{+}}\]     

    D)                 \[A{{l}^{+3}}\]

    Correct Answer: C

    Solution :

                    \[N{{a}^{+}}\] has 10 electron and \[L{{i}^{+}}\] has 2 electron so these are different number of electron from each other.


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