Question

(a) What is Modern Periodic Law?

Answer 1

Answer:

The modern periodic law states that the physical and chemical properties of the elements are the periodicfunction of the atomic numbers. The various elements with similar properties repeat after certain regular intervals. This repetition occurs when you arrange the elements in order of their increasing atomic numbers.

Answer 2

Answer:

Modern periodic law of element may be defined as. The physical and chemical properties of elements are periodic functions of their atomic number. This means that when elements are arranged in the order of their increasing atomic number.