Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-16

  • question_answer
    Which of the following is iso electronic with carbon atom.

    A)  \[{{N}^{+}}\]           

    B)  \[{{O}^{2-}}\]

    C)  \[N{{a}^{+}}\]                      

    D)  \[A{{l}^{3+}}\]

    Correct Answer: A


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