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Lanthanide contraction is due to...

Lanthanide contraction is due to ___

A

imperfect shielding an outer electrons by 4f electrons from the nuclear charge.

B

effective shielding by 4f electron on the valence shell electrons

C

greater shielding of 5d electrons by 4f electrons from the nuclear charge

D

appreciable shielding on outer electrons by 4f electrons from the nuclear charge

Text Solution

Verified by Experts

The correct Answer is:
A
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