Question

Write the demerits of Mendeleev periodic table.​

Answer 1

Answer:

i) He could not explain the position of isotopes

ii) he couldn't give correct position to hydrogen

iii) wrong order of atomic masses of some element could not be explain.

Answer 2

Answer: Demerits of mendeleeve's periodic table

Explanation:

1) position of isotopes couldn't be explained

2) wrong order of atomic masses of some element.

3) he couldn't justify the position of hydrogen.