Question

what were the criteria used by Mendeleev in creating his periodic table?

Answer 1

all the elements belonging to a particular group head same physical and chemical properties on the basis of this month living give a periodical low according to which the physical and chemical properties of elements are periodic function of their atomic masses .

Answer 2

Explanation:

Mendeleev used atomic mass of the elements as the unique criteria of the elements. He proposed that the chemical properties of elements are the periodic function of their atomic masses. And thus, he arranged the elements in the increasing order of their atomic masses.