Quick review of how molecular shape can be determined from VSEPR: Valence Shell Electron Pair Repulsion. Duration: 6:53.
The pairs of electrons in the valence shell of an atom repel one another, which explains why they need to be as far apart from one another as possible. This dictates the geometry of the molecule. Duration: 3:40.
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John defines and describes a substituent as any atom or nonbonding pair of electrons coming off of a central atom. Duration: 1:56.
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The types of molecular geometries that arise from a given number of substituents is discussed. Duration: 3:08.
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Watch these additional videos to complete this tutorial.