Question

disadvantage of Mendeleev experiment​

Answer 1

ello buddy!!

disadvantages are:-

the isotopes and no separate position also as they have different atomic mass but same atomic number. Since the change in atomic. mass of two successive elements was not constant therefore it was difficult to predict the number of missing elements with the help of atomic number only

hope this helps uh

Answer 2

Mendeleev could not arrange hydrogen properly because it shows the properties of both alkali metals and halogen. 2. Mendeleev could not arrange isotopes because they have different atomic weights but the same atomic number.