Question

periodic classification of elements​

Answer 1

$\huge\mathbb\purple{A}\mathbb\blue{N}\mathbb\red{S}\mathbb\green{W}\mathbb\pink{E}\mathbb\purple{R}\blue{:-}$

Periodic classification of elements is the method by which elements are grouped on the basis of their characteristics i.e. we keep the elements that are alike in one group and the rest of the elements in the other group.

$\bold{\underline\purple{Hope \: that \: helps}}$

Answer 2

Refer the above picture ☝

Hope this helps you!!!