What Is an Ionic Bond?
9. Ionic Bonds Are Stronger
Ionic bonds are generally a lot stronger than covalent bonds. This is actually quite easy to demonstrate because it is so easy to separate water just by pouring half a cup into the other. Similarly, gases can be separated simply by closing the lid of a jar, leaving the gas inside separated from the gas outside.
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In the example of salt, however, separating grains of salt is nowhere near as easy. It can be done, of course, but it takes a great deal more energy than separating gas or water. This is down to the strength of the attraction between ions of opposite charges.
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