Ch 07
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
Describe the formation of covalent bonds [C]
Define electronegativity and assess the polarity of covalent bonds [A]
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
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
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]
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