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Coulomb's Law
11. Bonding & Molecular Structure / Coulomb's Law / Problem 4

The combination of cations and anions in the gas phase releases a lot of energy due to the stabilization of ions. Arrange the following gas-phase ion pairs in ascending order based on how much energy they release when they form.

Li+Br, K+S2–, Ca2+Cl, Al3+O2–, Ba2+O2–

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