Question

what is meant by periodicity in properties of elements with reference to the periodic table? explain​

Answer 1

Answer:

The repeation of specific properties after a speific interval is periodicity.

Explanation:

The cause of periodicity in modern periodic table is the electronic configuration.

Answer 2

Answer:

Periodicity refers to the periodic recurrence of properties in the Periodic table, in certain intervals. These elements with similar properties are grouped together in the periodic table.

Example:

When we see helium and neon, both are both fairly nonreactive gases that glow when an electric current is passed through them. They come under the same group (18) under noble gases.

Hope it helps :)