What is lanthanid contraction ? Write it's consequence
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Due to poor shielding of 4f subshell electron size of transition elements nearly same called Ln contractions.
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❤.LANTHANIDE CONTRACTION :
The gradual decrease of atomic size from left to right in lanthanides is called "lanthanide contraction".
❤.CONSEQUENCE:
The crystal structure and other properties of these elements become very close and similar.So it become difficult to separate them from a mixture.
Inert pair effect is consequence of Lanthanide contraction.
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