Question

demerits
of mendeleevs periodic table​

Answer 1

Explanation:

Demerits of Mendeleev Periodic Table

• He was unable to locate hydrogen in the periodic table.

• Increase in atomic mass was not regular while moving from one element to another.

• Later on, isotopes of elements were found which violated Mendeleev's periodic law.

Answer 2

Answer:

1) He was unable to locate hydrogen in the periodic table...

2) Increase atomic mass was not regular while moving from one element to another.....

3) later on isotopes of elements were found which violated mendeleevs periodic law.