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

9th Class Science Sample Paper Science Olympiad Model Test Paper-15

  • question_answer
    If 6 electrons are present in the outermost shell of atoms of an element, what will be the valency of that element?

    A) 2

    B) 4

    C) 6

    D) 8

    E) None of these

    Correct Answer: A

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