Ch07 Resources

Ch 07

OpenStax Chemistry Chapter 7: Chemical Bonding and Molecular Geometry


7.1 Ionic Bonding

  • Explain the formation of cations, anions, and ionic compounds [C]

  • Predict the charge of common metallic and nonmetallic elements, and write their electron configurations [A]


RESOURCES: Covalent and Ionic Bonding Introduction

7.2 Covalent Bonding

  • Describe the formation of covalent bonds [C]

  • Define electronegativity and assess the polarity of covalent bonds [A]


7.3 Lewis Symbols and Structures

  • Write Lewis symbols for neutral atoms and ions [C]

  • Draw Lewis structures depicting the bonding in simple molecules [U]


RESOURCES: The Basics of Lewis Dot Structures

7.4 Formal Charges and Resonance

  • Compute formal charges for atoms in any Lewis structure [R]

  • Use formal charges to identify the most reasonable Lewis structure for a given molecule [U]

  • Explain the concept of resonance and draw Lewis structures representing resonance forms for a given molecule [U]


RESOURCES: Formal Charges, Resonance, Exceptions to the Octet Rule

7.5 Strengths of Ionic and Covalent Bonds

  • Describe the energetics of covalent and ionic bond formation and breakage [C]

  • Use the Born-Haber cycle to compute lattice energies for ionic compounds [R]

  • Use average covalent bond energies to estimate enthalpies of reaction [R]


7.6 Molecular Structure and Polarity

  • Predict the structures of small molecules using valence shell electron pair repulsion (VSEPR) theory [A]

  • Explain the concepts of polar covalent bonds and molecular polarity [C]

  • Assess the polarity of a molecule based on its bonding and structure [U]


RESOURCES: Molecular Geometry