Question 21 • 2003350 Chemistry HONORS Sem 1 - Marez
A crystal consists of many particles arranged in an orderly, repeating pattern. Depending on the substance, those particles may be atoms, ions, or molecules, so the best choice is “many atoms that are arranged in a regular pattern.” A formula unit gives the simplest ratio of particles in an ionic compound; it does not tell the total number in a crystal.
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