2. Questions Bank
  3. 9th Class
  4. Science
  5. Structure of the Atom

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

  • question_answer
    Identify the element which has three isotopes with the neutrons, 6, 7, 8 respectively.

    A)  Nitrogen            

    B)  Carbon

    C)  both (a) and (b)              

    D)  Neon

    Correct Answer: B

    Solution :

        Carbon i.e.,                                         \[_{6}{{C}^{12}},{{\text{ }}_{6}}{{C}^{13}},{{\text{ }}_{6}}{{C}^{14}}\]


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