Burdge/Overby, Chemistry: Atoms First, 2e FM | Page 27

CONTENTS xxvii

5

Ionic and Covalent Compounds? 144

5.1
5.2
5.3
5.4

Compounds?145
Lewis Dot Symbols? 145
Ionic Compounds and Bonding? 147
Naming Ions and Ionic Compounds? 151
• Formulas of Ionic Compounds? 152 • Naming Ionic Compounds? 152
5.5 Covalent Bonding and Molecules? 154
• Molecules? 154 • Molecula r Formulas? 156 • Empirical Formulas? 157
5.6 Naming Molecular Compounds? 160
• Specifying Numbers of Atoms? 160 • Compounds Containing Hydrogen? 162
• Organic Compounds? 162 • Thinking Outside the Box: Functional Groups? 164
5.7 Covalent Bonding in Ionic Species ? 164
• Polyatomic Ions? 164 • Oxoacids? 166 • Hydrates? 168 • Familiar Inorganic
Compounds?169
5.8 Molecular and Formula Masses? 169
5.9 Percent Composition of Compounds? 171
5.10 Molar Mass? 173
• Interconverting Mass, Moles, and Numbers of Particles? 173 • Determination
of Empirical Formula and Molecular Formula from Percent Composition ? 175

6
6.1
6.2

6.3
6.4
6.5
6.6

7
7.1

7.2
7.3

7.4

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Representing Molecules? 188
The Octet Rule? 189
• Lewis Structures? 189 • Multiple Bonds? 192
Electronegativity and Polarity? 193
• Electronegativity? 193 • Dipole Moment, Partial Charges, and Percent
Ionic Character? 196
Drawing Lewis Structures? 199
Lewis Structures and Formal Charge? 201
Resonance?204
Exceptions to the Octet Rule? 206
• Incomplete Octets? 206 • Thinking Outside the Box: Species with Unpaired
Electrons? 206 • Odd Numbers of Electrons? 207 • Expanded Octets? 208

Molecular Geometry, Intermolecular Forces,
and Bonding Theories? 220
Molecular Geometry? 221
• The VSEPR Model? 222 • Electron-Domain Geometry and Molecular
Geometry? 223 • Deviation from Ideal Bond Angles? 227 • Geometry of
Molecules with More Than One Central Atom? 227
Molecular Geometry and Polarity? 229
Intermolecular Forces? 232
• Dipole-Dipole Interactions ? 233 • Hydrogen Bonding ? 233 • Dispersion
Forces? 234 • Ion-Dipole Interactions ? 236
Valence Bond Theory? 237

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