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The correct order of atomic radii of the...

The correct order of atomic radii of the following element `Sm(z=62), Eu (z=63), Gd (z=64), Lu(z=71)`

A

`Sm gt Eu gt Gd gt Lu`

B

`Sm lt Eu lt Gd lt Lu`

C

`Eu gt Sm gt Gd gt Lu`

D

`Sm gt Gd gt Lu gt Lu`

Text Solution

Verified by Experts

The correct Answer is:
C
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