SELECT * FROM question_mgmt as q WHERE id=3609 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=256 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Periodic Classification of Element what were the criteria used by mendel eacute ev in

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What were the criteria used by Mendeléev in creating his Periodic Table?

Answer:

Mendeleeve arranged elements in increasing order of their atomic mass in its periodic table. He observed that there occurs a period recurrence of elements with similar physical and chemical properties.


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  • Answered by Ekta Mehta
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