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  3. 9th Class
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  5. Structure of the Atom

9th Class Science Structure of the Atom Question Bank Structure of Atoms

  • question_answer
    Penetration power of proton is

    A)  more than electron  

    B)  less than electron  

    C)  more than neutron       

    D)  None of these

    Correct Answer: B

    Solution :

    Not Available


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