Sept_19 - Molecular Structure Textbook Problems: Chapter 6:...

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Molecular Structure Textbook Problems: Chapter 6: 5, 15, 21, 23, 27 Chapter 7: 1, 3
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Chemical Bonding Interactions between atoms often leads to a rearrangement of the electrons to a more stable state called bonding. The type of rearrangement lies between two possible extremes: Ionic bonding: electrons are transferred and electrostatic forces hold together the oppositely charged ions. Covalent bonding - two atoms share electrons equally. A net attractive force holds the atoms together
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Ionic bonding Results from reaction of an atom with low ionization energy with an atom of high electron affinity eg. Na(s) + ½ Cl 2 → [Na + ][Cl - ] in general ions attain ns 2 np 6 configurations by the electron transfer process we will look at the detailed arrangement of ionic solids later in the course What factors would affect the strength of this bonding?
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Covalent bonding Electron transfer is unreasonable, since neither atom has a significantly greater affinity for electrons. Eg
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This note was uploaded on 01/20/2011 for the course CHEM 154 CHEM 154 taught by Professor Yang during the Spring '10 term at The University of British Columbia.

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Sept_19 - Molecular Structure Textbook Problems: Chapter 6:...

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