Question

2) According to Modern periodic law, properties of elements are periodic function of their​

Answer 1

Answer:

According to Modern periodic law properties of elements are the periodic function of their atomic number

Answer 2

here is your answer

✨The law that the properties of the elements are periodic functions of their atomic numbers. This is also called Mendeleev's law. Originally the statement was that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights.

SO Your answer is

✨✨✨atomic number ✨✨✨