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Question
Chemistry
Which of the following is not a merit of Mendeleev's periodic table?
Q. Which of the following is not a merit of Mendeleev's periodic table?
2291
244
Classification of Elements and Periodicity in Properties
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A
It helped in correcting the atomic masses of some of the elements.
13%
B
He predicted the properties of some undiscovered elements and left gaps for them.
10%
C
He framed the periodic table with vertical and horizontal columns and gave shape to it.
10%
D
He gave separate places to isotopes in his periodic table.
67%
Solution:
Mendeleev could not give separate places to isotopes which had different atomic weights in the periodic table.