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  5. Periodic Classification of Elements

10th Class Science Periodic Classification of Elements Question Bank Periodic Classification of Elements

  • question_answer
    Which of the following is true about an element that has an atomic numbers of 15?

    A) Element belongs to group 5.

    B) Element has a valency of 3.

    C) Element is a non-metal.

    D) Both [b] and [c]

    E) None of these

    Correct Answer: D

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