Question

white two limitation of dobere iner's classification

Answer 1

Explanation:

he wasn't able to assign the position of hydrogen as hydrogen combines like alkali (oxygen , sulphur,) and also lik halogens it exists in diatomic form and combine with metals and non metals and form covalent bonds

isotopes discovered long after mendleev table so will the elements would be placed according different atomic mases or same chemical properties

atomic mases do not increase in regular manner in going from one element to nest so it was not possible to predict how many elements could be discovered between two elements especially when we consider heavy elements

you can write any two points