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Railways General Science & Technology Structure of Atom / परमाणु संरचना Sample Paper Structure of Atom Sample Test Paper-14

  • question_answer
    Neutron are present in all atoms except

    A)  He                  

    B)  C

    C)  H                    

    D)  N

    Correct Answer: C

    Solution :

    [c] H contains one proton and one electron only


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