Question

what are the 3 limitations of Mendeleev's periodic classification​

Answer 1

Explanation:

LIMITATIONS OF Mendeleev's Periodic Table :

• Position of Hydrogen => Position of hydrogen in the perodic table is Uncertain , Because hydrogen is placed in 1 A group with Alkali metals .

• Position of isotopes => isotopes haven't been given separate place in perodic table .

• Cause of periodicity => Mendeleev could not explain the cause of periodicity .

• Separation of similar elements => some dissimilar elements have been placed together .

⛔NONEXISTENT⛔

Answer 2

Answer:

Limitations of the Mandeleevs periodic classification :

1) Elements with large difference in properties were include in the same group.

2) No proper position could be given to the element hydrogen.

3) The increasing order of atomic mass was not strictly followed throughout .