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

9th Class Science Sample Paper Science Olympiad Model Test Paper-2

  • question_answer
    The first energy level or shell in the structure of an atom is represented by which one of the following letters?

    A) K

    B) L

    C) M

    D) N

    E) None of these

    Correct Answer: A

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