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  1. An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is

  2. A.

     17

    B.

     19

    C.

     36

    D.

     53

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    Answer : Option B

    Explanation :

    An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19.


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