Hello there!

Following is the link attached from the official website of Careers360 for the detailed explanation about the classification of elements for class 12th. Kindly go through it . Hope it helps.

https://www.careers360.com/chemistry/classification-of-elements-and-periodicity-in-properties-chapter-pge

thank you!

Classification of elements in class 12th is indeed very important chapter for both board exam and JEE exam, it mainly holds 7 to 10 marks in your board exam. Some important topics to cover in this are : Mendeleev’s Periodic Table, Modern Periodic Table, Electronic Configuration in Periods and Groups, Nomenclature of Elements with Atomic numbers,.....

See in-depth details.

Hello,

Here's ur link : Classification of notes download

U can download and read ur notes in here.

Hope this information will help u. Good luck.