how does the mendalian periodic table is helpful in preparing the moder periodic table
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He was first man who used atomic mass and chemical properties of elements to develop periodic table.
Later on moder periodic table based on electronics configuration, and we know that configuration of elements show its chemical properties
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Mendeleev's periodic law was modified and atomic number was adopted from Mendeleev's periodic table
properties of elements are a periodic function of their atomic Mass according to Mendeleev.
properties of elements are a periodic function of their atomic number according to modern periodic table.
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