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From the following ions (with their radii in pm), choose the pair that forms the strongest ionic bond and the pair that forms the weakest:
Ion: Mg2+ K+ Rb+ Ba2+ Cl− O2− I−
Radius: 72 138 152 135 181 140 220
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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.