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The correct order of ionic radii of the following species ia

The correct order of ionic radii of the following species ia

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Grade:11

1 Answers

Aabha Misra
39 Points
5 years ago
Answer is fourth
 
Iodine being element of 5 period have larger radii so does it anion. Selium and Bromine are elements of fourth period so their radii are nearly comparable but selium atom having lesser nuclear charge has larger ionic radii so does it anion(in comparison to bromine?
 
Fluorine and oxygen are element of 2 period. Ionic radii of oxygen is more than fluorine due to less nuclear charge. Hence ionic radii of its anion will be more.

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