Gyan Kosh

Sr.No. Title Link X Class Document XII Class Document
1 ENCYCLOPAEDIA BRITANNICA https://www.britannica.com
2 VIDEO LECTURE - CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES https://www.youtube.com/watch?v=Yff_8zEaEUU
3 VIDEO LECTURE FOR XI & XII https://www.youtube.com/watch?v=-_C7QzZWQp0