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Choose the incorrect statement...

Choose the incorrect statement

A

Position of hydrogen could not be made clear

B

Isotopes find correct place in Mendeleev's periodic table.

C

Mendeleev's periodic table could not explain the variable valencies of elements.

D

The aufbau principle and the electronic configuration of atoms provide a theoretical foundation for the modern periodic table.

Text Solution

Verified by Experts

The correct Answer is:
b
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