Question

2. What are the limitation of Mendeleeff's periodic table.? How could the modern periodic table overcome the limitation of Mendeleeff's table.?
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Answer 1

Answer:

Elements having different properties were placed in the same group. 3. Isotopes were discovered long time after Mendeleev put forth the periodic table. As isotopes have the same chemical properties but different atomic masses, a challenge was posed in placing them in Mendeleev's periodic table

Explanation:

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Answer 2

Answer:

ANSWER

LIMITATIONS OF Mendeleev's Periodic Table :

Position of Hydrogen => Position of hydrogen in the perodic 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 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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