Asked by Ellie

Which anions have the largest and smallest radii? Thank you!!
Answered by DrBob222
The smallest anion probably is H^-. I'm not sure you can say what the largest anion (or cation) is since complex ions can carry a - or + charge and these can get large. It would be complicated to even try to calculate the diameter of those things. For example Fe(CN)<sub>6</sub><sup>3-</sup> or UO<sub>2</sub><sup>2+</sup>
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