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The lanthanide contraction refers to - SS3 Chemistry Inorganic Chemistry: Periodic Trends and Properties Question

The "lanthanide contraction" refers to:

 

A

The decrease in atomic radius as you move from left to right across the periodic table

 

B

The increase in ionisation energy as you move from left to right across the periodic table

 

C

The similarity in properties between lanthanides and actinides

 

D

The decrease in atomic size as you move from the beginning to the end of the lanthanide series

correct option: d
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