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Which of the following statements is/are true of ionic solids?
1) The process of bringing cations and anions together is an exothermic process.
2) The process of bringing cations and anions together becomes more exothermic with the increase in the ionic charges in a solid.
3) The process of bringing cations and anions together becomes less exothermic with the decrease in the distance between the ions in a solid.
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