ch910 1_Part1 - GENERAL CHEMISTRY CHAPTER 9 & CHAPTER 10:...

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GENERAL CHEMISTRY PAGE 1 OF 22 Bonding – Why Do Atoms Bond? Bonding is the way atoms attach to make molecules Bonding explains why some combinations of atoms are stable and others are not Processes are spontaneous if they result in a system with lower potential energy Chemical bonds form because ionic or molecular compounds can achieve a lower energy by being bonded together rather than separate ions or atoms Types of Bonds Types of Atoms Types of Bond Bond Characteristic Metals to Non-metals Ionic Electrons transferred Non-metals to Non-metals Covalent Electrons shared Metal to Metal Metallic Electrons pooled Ionic Bonding Ionic bond = a metal to non-metal bond Electrons are transferred from the metal to the nonmetal Metals form cations by losing enough electrons to get to a “noble gas like” configuration Nonmetals form anions by gaining enough electrons to a “noble gas like” configuration
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GENERAL CHEMISTRY PAGE 2 OF 22 The crystalline solid that forms = ionic solid A network of ions arranged in a pattern = crystal lattice Every cation surrounded by anions and every anion surrounded by cations The structure will maximize the attraction between the (+) and (–) ions The energy of interaction between a pair of ions
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This note was uploaded on 01/21/2011 for the course PHYS 4A 60865 taught by Professor L. oldewurtel during the Fall '09 term at Irvine Valley College.

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ch910 1_Part1 - GENERAL CHEMISTRY CHAPTER 9 & CHAPTER 10:...

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