Chemistry URGENT!!
posted by Ellie .
Which anions have the largest and smallest radii? Thank you!!

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)_{6}^{3} or UO_{2}^{2+}
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