IB Chemistry | Topic 3 | Periodic Properties - Paper 1 PYQ | Both SL + HL

This video is a part of free complete crash course for the IB Chemistry exam. It is helpful for both SL and HL students and also contain some previous year question at the end for revision.
If you do not understand any part feel free to comment below and if you need any other assistance in exam let me know below i would be more than happy to help.