Key Takeaways
Lesson Description
Key Takeaways
• Ionic bonds form through electron transfer.
• Covalent bonds form through electron sharing.
• Bond length decreases as bond order increases.
• Bond energy increases as bond strength increases.
• Lewis structures show valence electrons and bonding.
• VSEPR Theory predicts molecular geometry.
• Molecular polarity depends on bond polarity and molecular shape.
• Intermolecular forces determine many physical properties.
Must Know Equations
Formal Charge:
Formal Charge = Valence − Nonbonding − (Bonding ÷ 2)
Must Know Vocabulary
Lewis Structure
Formal Charge
VSEPR Theory
Resonance
Bond Order
Dipole
Polar Molecule
Hydrogen Bonding
London Dispersion Forces
Ion-Dipole Force
AP Exam Focus
• Draw Lewis structures accurately.
• Predict molecular geometry and polarity.
• Compare intermolecular forces and physical properties.