Question

what were the achievements of mendaleevs periodic table​

Answer 1

Answer:

The achievements by Mendeleev were:

Mendeleev kept some blank spaces in the periodic table for the elements that were yet to be discovered. E.g.: - Eka-aluminium, Eka-boron, Eka-silicon. He also predicted properties of some elements which were yet to be discovered.

Answer 2

Answer:

The achievements by Mendeleev were:

Mendeleev kept some blank spaces in the periodic table for the elements that were yet to be discovered. E.g.: - Eka-aluminium, Eka-boron, Eka-silicon. He also predicted properties of some elements which were yet to be discovered.