Question

mendeleevs periodic table demerits?​

Answer 1

1 Isotopes could not explain in this perodic table

2 wrong order of atomic masses arrenge

3 he cuold not place hardrogen .

Answer 2

Explanation:

Demerits are..

1. He was not able to give a fix place to the hydrogen.
2. As his table was based on increasing order of mass. but at some places he heve kept lighter metal after a heavier one.

hope it helps..

mark brainliest