The steady decrease along the lanthanide series is called lanthanide contraction and in all amounts to
A. `0.15^0 A`
B. `0.22^0 A`
C. `0.09^0 A`
D. `0.93^0 A`

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1 Answers

Correct Answer - B
Decrease in atomic radius from La to Lu to 0.22 Å

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