Question

Write the demerits of Mendeleev's​

Answer 1

Answer:

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.

Explanation:

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Answer 2

Answer:

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.