Question

What is modern periodic law?? ​

Answer 1

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According to the modern periodic law, the properties of the elements and their compounds are a periodic function of their atomic numbers. Thus, in the modern periodic table, atomic number forms the basis of the classification of elements;The modern table is called ‘long form’ of the periodic table.

Or

The law that the properties of the elements are periodic functions of their atomic numbers is called the modern periodic law.It is also called the Mendeleev's Law.(originally) the statement that the chemical and the physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights.

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Answer 2

According to modern periodic table periodic chemical and physical property of elements are the periodic function of atomic no.