2. Questions Bank
  3. 9th Class
  4. Science
  5. Atoms and Molecules

9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    The isotopes contain the same number of____ and different number of______.

    A) Neutrons, Protons          

    B) Electrons, Protons

    C) Protons, Neutrons          

    D) Neutrons, Protons

    E) None of these

    Correct Answer: C

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