1-Chapter1HLSF07

1-Chapter1HLSF07 - Chapter 1 Chemical Bonding and Structure...

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Chapter 1 Chemical Bonding and Structure Holly Sebahar Duke University 2007
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Welcome to Organic Chemistry!!! DNA Proteins Carbohydrates
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I. The Atom OPPOSITE charges ATTRACT Protons Positively Charged Electrons Negatively Charged Electrons occupy ORBITALS = region of space around nucleus most likely occupied by electrons.
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4 Kinds of Atomic Orbitals : s p d f fill first fill after s
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Ground-state Electronic Configuration - a quick review * No more than 2 electrons can occupy each atomic orbital and they must be of opposite spin. If degenerate orbitals exist electron occupies empty orbital before pairing. *Electrons are grouped into layers/shells around nucleus and the closer an orbital is to the nucleus (and positive charge) the lower its energy. * Valence shell = outermost shell = electrons involved in BONDING 1s 2s 2p 3s 3p 3d D i s t a n c e f r o m N u l E g y
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II. Bonding HN N N N CH 3 S N N CH 3 O O O CH 3 CH 3 Viagra N O Ph O H O OCH 2 CH 3 CH 3 cocaine N S O H NH
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This note was uploaded on 05/13/2010 for the course CHEM 151L taught by Professor Roy,christopher during the Fall '08 term at Duke.

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1-Chapter1HLSF07 - Chapter 1 Chemical Bonding and Structure...

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