Question

according to Mendeleev's periodic law,properties of elements are periodic function of their..............​

Answer 1

Answer:

Atomic masses..

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Answer 2

According to Mendeleev's periodic law,properties of elements are periodic function of their atomic weight.

Explanation:

• Mendeleev was  the first to publish the periodic law .According to him, "the physical and chemical properties of elements are the periodic function of their atomic weight".

• In order to arrange the elements  in increasing order of their atomic weight, he constituted a table containing 12 horizontal rows ( series) and 8 vertical columns .  

• He arranged the elements in such a way that (zero group was added later on)   the properties of elements belong to the same group were similar.