Question

Radius of cation is smaller and that of anion is larger than that of corresponding atom.How is this behaviour accounted?Illustrate eith example

Answer 1

Cations are always smaller than their parent atoms this is because they have lesser electrons, while their nuclear charge remains the same. The remaining electrons are, therefore held more tightly by the protons in the nucleus and thus their radii.are smaller than the parent atoms. This is opposite in case of anions

Answer 2

Radius of cation is smaller and that of anion is larger than that of corresponding atom.How is this behaviour accounted?Illustrate eith example!

Answer - :Cations are always smaller than their parent atoms this is because they have lesser electrons, while their nuclear charge remains the same. The remaining electrons are, therefore held more tightly by the protons in the nucleus and thus their radii.are smaller than the parent atoms. This is opposite in case of anions.

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