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

  • question_answer
    Which of the following is correct for Mendeleev's classification of element;

    A) Mendeleev's periodic table was based on atomic number.

    B) There were eight periods and seven groups in the periodic table.

    C) Mendeleev's periodic table could accommodate noble gases when they we discovered.

    D) All the above

    E) None of these

    Correct Answer: C

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