Question

deference between mendeleev's periodic table law and modern periodic table law​

Answer 1

Answer:

Mendeleev's periodic table is, based on relation of properties of elements as dependent on the atomic weight of element. But Modern periodic table considers atomic number as the fundamental property that decides the properties of elements.

Answer 2

Answer:

Mendeleev's periodic law is based on atomic masses while modern periodic law is based on atomic numbers of elements.

Hope you understood mate!!!