chem 141 F07 Chapter 10 Study Sheet

chem 141 F07 Chapter 10 Study Sheet - Please refer to the...

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Please refer to the “General Study Sheet” Post for information regarding the exams CHAPTER 10 THE SHAPE OF MOLECULES We now have general models to describe the bonding in most chemical compounds. It is of paramount importance, however, to be able to predict the 3- dimensional shape of molecules to understand their reactivity. This is done by first learning to represent molecules using Lewis structures which give us information about the connectivity of the atoms in a molecules and the distribution of the valence and bonding electrons. We have developed the ability to draw virtually any molecule using Lewis structures and to be able to determine which Lewis structure is the best through formal charges. In addition, we have been introduced to the concepts of resonance and resonance hybrids. Also, we can use Lewis structures to calculate reaction enthalpies. From Lewis structures we can uses the principles of Valence Shell Electron Pair Repulsion (VSEPR) theory to predict the 3-D shape of these molecules. We have seen
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chem 141 F07 Chapter 10 Study Sheet - Please refer to the...

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