VSEPR - VSEPR ValenceShellElectronPairRepulsionModel

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VSEPR Valence Shell Electron Pair Repulsion Model In the last section we learned about a simple approach called the Lewis-Dot structure  that gives a good approximation of how the valence electrons are distributed in a  molecule. What Lewis-Dot strucutres do not tell us is the shape of the molecule. For  example, why do XeF 4  and CF 4  have different shapes even though the central atom is  coordinated by four Fluorine atoms in both cases? One way to answer these questions about molecular structure is to use a simple approach  that builds on the Lewis-Dot structure approach called the  Valence Shell Electron Pair  Repulsion Model , or  VSEPR model. The idea behind this approach is that the structure around a given atom is determined 
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VSEPR - VSEPR ValenceShellElectronPairRepulsionModel

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