Question

12. What is the modern periodic law?​

Answer 1

Answer:

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

Answer 2

Answer:

According to the modern Perodic 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 Perodic table.

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