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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 two elements have similar chemical properties?

    A) Element with atomic number 3 and element with atomic number 11

    B) Element with atomic number 3 and element with atomic number 9

    C) Element with atomic number 11 and element with atomic number 9

    D) Both [b] and [c]

    E) None of these

    Correct Answer: A

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