Paaras Thakur
Aug 25, 2020 • 1h 30m
53K followers • Chemistry
Jul 24, 2021 • 1h 32m • 827 views
Boron Family, compounds of boron family, carbon family ,compounds of carbon family ,silicates ,silicones, nitrogen family ,oxyacids , oxygen family , halogens ,compounds of Xe.