postlab5 - Laura Lanier Experiment 5q 0p00 Section L2...

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Laura Lanier Experiment 5q 0p00 Section L2 Data/Observation 1. In MO, multiple bonds are represented by higher electron density; in VSEPR, multiple bonds are represented by shorter bond lengths. It can be inferred that high electron density leads to a shorter bond length. 2. Electron density affects the bond angles in that the higher the electron density, the larger the angle. The greater number of electrons is more repulsive of other electrons. 3. The bonds depicted by the MO theory are not identical to the Lewis resonance structure bonds because Lewis structures assume that electrons are localized while MO assumes that electrons are delocalized. The structure provided by Lewis resonance is an average of all of the resonance structures because they cannot show in one picture how the electrons are spread out throughout the molecule; in MO however, instead of using resonance structures, the model shows how the electron density is different from that of single bonds or double bonds, and is somewhere in between. 4. VSEPR models are good for simple modeling to give an idea of the shape of the molecule and
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This note was uploaded on 09/12/2011 for the course CHEM 1310 taught by Professor Cox during the Fall '08 term at Georgia Institute of Technology.

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postlab5 - Laura Lanier Experiment 5q 0p00 Section L2...

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