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9th Class Science Structure of the Atom Question Bank Atomic Structure IIT JEE Objective Problems

  • question_answer
    An atom of Mn, atomic number 25 and atomic weight 55 contains in its nucleus

    A)  55 protons        

    B)  55 neutrons

    C)  25 neutrons      

    D)  25 protons

    Correct Answer: D

    Solution :

      Not Available


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