2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    Which fundamental particle is not present in the normal hydrogen atom?

    A) Electron

    B) Proton

    C) Neutron

    D) All of these

    E) None of these

    Correct Answer: C

You need to login to perform this action.
You will be redirected in 3 sec spinner