Structure
Ionic compounds in the solid state form lattice structures. The two principal factors in determining the form of the lattice are the relative charges of the ions and their relative sizes. Some structures are adopted by a number of compounds; for example, the structure of the rock salt sodium chloride is also adopted by many alkali halides, and binary oxides such as MgO.
Read more about this topic: Ionic Bond
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—Talcott Parsons (1902–1979)
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The great structure has become a minor house.
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—Sydney J. Harris (1917–1986)