Question

What were the criteria used by mendellev in creating his periodic table ?

Answer 1

Answer:

atomic number

Explanation:

mendellev used atomic numbers of elements in increasing order . he stated physical and chemical properties of elements are its atomic function

Answer 2

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He used the following two properties:

1. Elements are arranged in increasing order of their Atomic mass

2. Similarity of chemical properties (which he selected as the important factor in arranging elements). i.e. the element with similar chemical properties should be in the same group.