Question

What are the limitations of Mendeleev's classification

Answer 1

So, it may be placed in the group for halogens as well. (B) Position of isotopes : Isotopes are the atoms of the same element having different atomic masses. Therefore, according to Mendeleev's classification these should be placed at different places depending upon their atomic masses.

Answer 2

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✨✔️✔️HERE IS YOUR ANSWER...

✔️ No fixed position was given to hydrogen in periodic table. He could not assign a correct position to hydrogen.
✔️ No proper place was assigned to isotopes of elements.
✔️ Metals and Non-Metals are grouped together.

✨✔️HOPE IT HELPS YOU...

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