Which of the following is not a merit of mendeleev’s period…

Chemistry Classification of Elements and Periodicity Extended or Long form of Periodic Table Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Which of the following is not a merit of mendeleev’s periodic table?

It helped in correcting the atomic masses of some of the elements.

He predicted the properties of some undiscovered elements and left gaps for them.

He framed the periodic table with vertical and horizontal columns and gave shape to it.

He gave separate places to isotopes in his periodic table.

Text Solution

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The correct answer is:

Mendeleev could not give separate places to isotopes which had different atomic weights in the periodic table.

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