Merits and demerits of Mendeleevs Periodic Table What are the demerits of Mendeleevs periodic table? i. Mendeleev could not assign a correct position to .<br><br>Merits of Mendeleevs Periodic table - Periodic Classification of Elements : CBSE Class 10 X Science Topics covered in this video are as follows- Attempts to .<br><br>DRAWBACKS OF MENDELEEV PERIODIC TABLE CBSE CLASS X CHAPTER 5 (BASIC CHEMISTRY FOR IIT AND PMT)