CH 7-8-9 - notes 8-sigma pi MO theory

CH 7-8-9 - notes 8-sigma pi MO theory - AP chem OMalley...

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AP chem – O’Malley Chapters 7, 8, 9 – structure & bonding 8 Name: ____________________ Text: p 403 – 415 (9.2 – 9.5) 1. In a sigma ( ) bond, orbitals overlap and electron density lies ____________ the line connecting atoms. 2. In a pi ( ) bond, orbitals overlap and electron density lies ____________________ the line connecting atoms. NOTE: Molecules can rotate about a __________ bond, but not a _____ bond! MOLECULAR ORBITALS (MOs) 1. Atoms bond and the ___________ orbitals combine to form the same total number of ____________ orbitals. 2. One MO is _________ in energy, the other is __________. 3. Each MO can hold up to ___________ electrons. 4. Molecules are expected to exist if their electrons have a lower energy than in their separate atomic orbitals. 5. The ________________ = ½ (# bonding - # antibonding) e - . 6. The higher the bond order, the _____________ the bond. 7. Molecules with a bond order of ______ or more are stable.
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This note was uploaded on 09/19/2011 for the course CHEM 1110 taught by Professor Hansen during the Fall '11 term at St. Johns Duplicate.

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CH 7-8-9 - notes 8-sigma pi MO theory - AP chem OMalley...

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