We will use the following key to describe the shapes of molecules.
Groups: sum of X and E (number bonded groups and electron pairs)
Hybridization: which atomic orbitals were mixed
Electronic geometry: shape based on regions of electron density
Molecular geometry: shape based on location of nuclei
Bond angle: angle between X-A-X (central atom and two bonded groups)
We will look at each structure type in turn. An example of each will be given.
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