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

9th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Which one of the following is the electronic configuration of Krypton?

    A) 2, 8, 14, 8

    B)  2, 8, 18, 8

    C)  2, 8, 8, 18

    D)  2, 18, 8, 8

    E)  None of these

    Correct Answer: B

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