Solved: From the following ions and their radii (in pm),
Chapter 2, Problem 2.126(choose chapter or problem)
From the following ions and their radii (in pm), choose a pair that gives the strongest ionic bonding and a pair that gives the weakest: Mg2 72; K 138; Rb 152; Ba2 135; Cl 181; O2 140; I 220. 2.127
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