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Chemistry 1210: Introduction to General Chemistry Dr. Gina M. Florio 26 Nov. 2012 Jespersen, Hyslop, & Brady Chapter 10 Chemical Bonding & Molecular Structure VSEPR Theory Valence Shell Electron Pair Repulsion (VSEPR) Model: 1. e- pairs repel each other 2. e- pairs position themselves in 3D to minimize repulsion Molecules have well defined shapes based on their electronic structure. Molecular Structure: Shapes of molecules The shapes of molecules are derived from 5 different geometric structures that are classified by number of electron domains contained around the central atom. Two types of electron domains: Bonding domains (e- pairs in bonds) Nonbonding domains (e- pairs associated with a single atom)
