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Question on: SS3 Chemistry - Inorganic Chemistry: Periodic Trends and Properties

The "lanthanide contraction" refers to:

 

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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

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Correct Option: D

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