Question

Question 2.. What were the criteria used by Mendeleev in creating his Periodic Table?

Answer 1

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Mendeleev’s periodic table was based on the observation that the properties of elements are a periodic function of their atomic masses.

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This means that if elements are arranged in the increasing order of their atomic masses, then their properties get repeated after regular intervals.

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Answer 2

This means that if elements are arranged in the increasing order of their atomic masses, then their properties get repeated after regular intervals.