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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
    Positron has nearly the same mass as that of

    A)  proton                

    B)  neutron

    C)  electron                               

    D)  a-particle

    Correct Answer: C

    Solution :

    Not Available


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