Transcription of Chapter 9, Chemical Bonding i: Basic Concepts
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Chapter 9, Chemical Bonding i: Basic Concepts
Chapter 9, Chemical Bonding i: Basic ConceptsLewis Dot Symbols (Sections 9,1 - )Ionic Bonding and the Lattice Energy (Section ) covalent Bonding and Lewis Structures (Sections & )Electronegativity (Section )Formal Charge (Section )The Con_cept of Resonance (Section 9,8)Exceptions to the Octet Rule (Section ) bond Energies (Section )SUMMARYL ewis Dot Symbols ( - 9 2).Lewis ~l. Ionic and covalent bonds are important types of Chemical bonds. Inthis Chapter , you wi!( learn to use electron configurations and the periodic table to predict thetype and the number of bonds an atom of a particular element can form, Electronconfigurations can be used to write the Lewis dot symbols of the representative d,,ot.~mbol of an element consists of the Chemical symbol with one or more dots~ around it. Each dot represents a valence electron. The orbital d~agram and theLewis symbo~-~or the~e atom are shown in Figure 9.!. Fluorine has 7 electrons in its~ outermost principal energy level (n = 2), and therefore has 7 dots in its Lewis symbo{ : F " ~Figure Orbital diagram and Lewis symbol for the fluorine atom.)}
Bonds of this type are described as nonpolar covalent bonds, or pure covalent bonds. In bonds involving different atoms, the electronegativity difference will …
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