Cation-to-anion radius ratio is the ratio of the ionic radius of the cation to the ionic radius of the anion in a cation-anion compound - rC/rA.
For CsI, what is the cation-to-anion radius ratio?
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Our tutors have indicated that to solve this problem you will need to apply the Periodic Trend: Ionic Radius concept. You can view video lessons to learn Periodic Trend: Ionic Radius. Or if you need more Periodic Trend: Ionic Radius practice, you can also practice Periodic Trend: Ionic Radius practice problems.
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