VESPR Rules for Determining Structure

VESPR Rules for Determining Structure - VESPR Rules for...

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Unformatted text preview: VESPR Rules for Determining Structure 1. Draw the Lewis Structure. 2. Add together the number of atoms bound to the central atom and the number of lone pair electrons and choose the appropriate arrangement. ( i.e. , linear, triangular planar, tetrahedral, trigonal bipyramidal, or octahedral). 3. Draw the structure, placing the appropriate number of bonds and lone electron pairs ( i.e. , electron domains) about the central atom according to the chosen arrangement. What's the structure of BF 3 ? The Lewis Dot Structure for BF 3 is: There are only three atoms around B and no lone pairs so we use a Trigonal Planar arrangement. The name of structure for BF 3 is also Trigonal Planar. What's the structure of SO 2 ? The Lewis Dot Structure of SO 2 is: There are only 2 bonds and one lone pair around S; a total of three "domains". Therefore we use a Trigonal Planar arrangement. However, we write "bent" for the structure because lone pairs don't count for the name of...
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.

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VESPR Rules for Determining Structure - VESPR Rules for...

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