Steric number

The steric number of a molecule is the number of atoms bonded to the central atom of a molecule plus the number of lone pairs on the central atom. It is often used in VSEPR theory (valence shell electron-pair repulsion theory) in order to determine the particular shape, or molecular geometry, that will be formed. ==Steric number in VSEPR== Calcula...
Found on http://en.wikipedia.org/wiki/Steric_number
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