Question

what is periodicity?​

Answer 1

Answer: please mark as brainlist

Explanation:

periodicity is defined as the repetition in the properties of the elements when they are placed in the order of the increasing atomic masses.

Answer 2

$\huge\underline\mathcal\red{Hello Mate}$

$\huge\underline\mathfrak\blue{ANSWER....!!!!!!}$

Arrangement of elements in periodic table on the basis of their properties and atomic number.

Mark it as BRAINLIST Answer