AP Chemistryeasymcq1 pt
Which of these has the largest ionic radius: F⁻, Cl⁻, Br⁻, or I⁻?
A.I⁻
B.F⁻
C.Cl⁻
D.Br⁻
Explanation
Core Concept
Down the halogen group, added electron shells dominate, so iodide has the largest radius. Each step down adds a shell even as nuclear charge rises.
Correct Answer
AI⁻
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