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Which of the following can be associated...

Which of the following can be associated with the concept of Lanthanoid contraction?

A

Size of `Zr~~Hf`

B

Shielding of one 4f electron by another is less than that of one d-electron by another

C

Similar chemical and physical properties of Nb and Ta

D

all of the above.

Text Solution

Verified by Experts

The correct Answer is:
D
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