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Choose the larger atom or ion from each pair.
(a) K or K+
(b) F or F–
(c) Ca2+ or Cl–
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Our tutors have indicated that to solve this problem you will need to apply the Periodic Trends: Ionic Radius concept. You can view video lessons to learn Periodic Trends: Ionic Radius. Or if you need more Periodic Trends: Ionic Radius practice, you can also practice Periodic Trends: Ionic Radius practice problems.