Question

what is periodicity​

Answer 1

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.

Answer 2

$\sf\huge\bold\red{༄❁❁❁❁❁༄ }$

The quality or state of being periodic; recurrence at regular intervals.

$\sf\huge\bold\purple{༄❁❁❁❁❁༄ }$

Please See my brainlist and follow me

20 thanks + Follow ----- Inbox