Question

Write three criteria for the development of Mendeleev's periodic table

Answer 1

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Mandleev made a periodic table of elements discovered at that time taking their atomic masses as their fundamental differentiating property and coined a Periodic law stating that the physical and the chemical property of elements is periodic function of their atomic mass.

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Answer 2

Answer:

The criteria used by mendeleev was the atomic mass He arranged the elements in the increasing order of their atomic mass .hence,produced a periodic table.Element with similar chemical properties were placed in a group.

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