Question

What is meant by periodicity in properties of elements with reference to periodic table?

Answer 1

The repetition of the properties of elements after regular intervals, when the elements are arranged in the order of their increasing atomic numbers, is called periodicity.

Answer 2

Explanation:

Repetition of properties after a certain interval is called periodicity of properties. If elements are arranged in increasing order of their atomic number in the periodic table, then elements repeat its properties after a definite interval. This repetition of properties is known as periodicity of properties.