Question

. Define 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

❤ $\sf\underline\blue{ Modern~periodic~law}$ :- The physical and chemical properties of elements are the periodic functions of their electronic configurations.