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Don N.

asked • 11/17/19

Why does Kr have larger radius than Ar when Kr has a larger effective nuclear charge?

Looking at the atomic radius trend of the periodic table, Kr has a larger radius than Ar. But my textbook claims that Kr has a larger effective nuclear charge than Ar for n=3. Wouldn't that mean Kr would have a smaller radius than Ar since larger nuclear charge = smaller radius?

1 Expert Answer

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Yang G. answered • 11/17/19

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Don N.

Thanks so much!
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11/18/19

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