Question

Difference between modern periodic table and mendeleev periodic table

Answer 1

Answer:

The main difference between modern periodic table and mendeleev periodic table is that

Explanation:

Modern periodic table is based on atomic number.

Mendeleev's periodic table is based on atomic mass.

Answer 2

Answer:

• Mendeleev’s Approach for periodic law

Chemical properties and Physical properties of the elements are the periodic functions of the atomic mass of the corresponding elements.

• Modern approach for the periodic law

Chemical properties and Physical properties of the elements are the periodic functions of the atomic numbers of the corresponding elements.