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what is lantnoide contraction?

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what is lantnoide contraction?

Posted by Sahil Deshwal 7 years, 10 months ago

CBSE > Class 12 > Chemistry

3 answers

Sakshi Singh 7 years, 10 months ago

Simple answer is thatstudy dec. In stomic size when we move from left to ryt in lnthanoids

R Raja 7 years, 10 months ago

It is effect seen in f-block lanthanoid compounds due to which despite having large atomic number and more number of shells there size is comparatively quite small . This happens due to poor shielding effect of d and f subshell. Exteriors electrons are pulled strongly toward nucleus thus huge reduction in size occour.

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