Question

Explain Mendeleev's way of approach for modern periodic table and limitations with suitable examples.

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Answer 1

Answer:

LIMITATIONS OF Mendeleev's Periodic Table : ... Position of isotopes => isotopes haven't been given separate place in perodic table . Cause of periodicity => Mendeleev could not explain the cause of periodicity . Separation of similar elements => some dissimilar elements have been placed together .

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Answer 2

Answer:

LIMITATIONS OF Mendeleev's Periodic Table :

Position of Hydrogen => Position of hydrogen in the periodic table is Uncertain , Because hydrogen is placed in 1 A group with Alkali metals .

Position of isotopes => isotopes haven't been given separate place in periodic table .

Cause of periodicity => Mendeleev could not explain the cause of periodicity .  

Separation of similar elements => some dissimilar elements have been placed together .