Polarisation power of cations

  • #1
Why the cations having electronic structure of ns2 np6 nd10 have more polarisation power on anions than the cations having electronic structure of ns2 np6?
 

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  • #2
DrDu
Science Advisor
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Probably because they are smaller.
 
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  • #3
Why the cations having electronic structure of ns2 np6 nd10 have more polarisation power on anions than the cations having electronic structure of ns2 np6?
This due to the cations which have elctronic configuration ns2 np6 nd10 has a poor shileding effect on outer electrons hence effective nuclear attraction increase. The cations which have configuration ns2 np6 have a greater shielding effect so they have less nuclear attraction
 
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