Although a thorough understanding of chemistry requires an appreciation of quantum mechanics, beginning students need not learn a lot of math and physics in order to understand how electrons affect chemical phenomena. Electron density models are computer-generated pictures that show how electrons are distributed in an atom or molecule. The models are consistent with quantum mechanics, i.e., the pictures are produced by using quantum mechanical calculations, and are widely used in chemical research.
Students find electron density models easy to use as well.
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