20070924 Day Lecture 09

20070924 Day Lecture 09 - Todays Plan Welcome to CHM...

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1 Welcome to CHM 1220/1225 Please turn off cell phones pages iPods Thank you! Today’s Plan Announcements Chapter 9 Next Assignment(s) • Pre-lecture Assignment 09 will be available at 2:00 p.m. today and is due by noon, Friday, September 28, 2007. • Chapter 9 Quiz is due by noon, Friday, September 28, 2007. • Chapter 9 Homework is due by 12:50 p.m. Friday, September 28, 2007 Chapter 9 Ionic and Covalent Bonding Ionic and Covalent Bonding Ionic Bonds 1. Describing Ionic Bonds 2. Electron Configurations of Ions 3. Ionic Radii Covalent Bonds 1. Describing Covalent Bonds 2. Polar Covalent Bonds; Electronegativity 3. Writing Lewis Electron-Dot Formulas 4. Delocalized Bonding: Resonance 5. Exceptions to the Octet Rule 6. Formal Charge and Lewis Formulas 7. Bond Length and Bond Order 8. Bond Energy
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2 Bond length (or bond distance) is the distance between nuclei in a bond. Bond order is, defined in terms of the Lewis formula, the number of pairs of electrons in a bond.
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This note was uploaded on 02/02/2010 for the course CHM 1220 taught by Professor Barber during the Spring '07 term at Wayne State University.

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20070924 Day Lecture 09 - Todays Plan Welcome to CHM...

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