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Why are cations ordinarily smaller than anions?

Why are cations ordinarily smaller than anions?

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Anjali Ahuja
askIITians Faculty 234 Points
9 years ago
Hello Student
Cation is smaller than the corresponding metal atom because the excess of protons in the ion draws the outer electrons in closer to the nucleus. As number of protons remain the same while number of electron decreases comparitively.

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