Chemistry Exam Review: Chapters 4-6

Exam 2

• Chapter 4 - pages 187–195, questions 4.1–4.8
  • Identify types of chemical bonds (4.1)
  • Compare atomic electronegativities and use them to determine the polarity of bonds (4.2)
  • Name compounds and write formulas including polyatomics, acids, and bases (4.3)
  • Draw Lewis symbols and structures (4.4)
  • Determine resonance, apply formal charges, determine exceptions, and identify bond order where necessary for Lewis structures (4.5, 4.7, 4.8)
  • Evaluate bond order, bond energies, and bond lengths (4.6)

Exam 3

• Chapter 5 - pages 243–247, questions 5.1–5.4, 5.11–5.78
  • Apply VSEPR theory to molecular shape, polarity and dipole moment (5.1 – 5.3)
  • Interpret the valence bond theory and hybridization of atomic orbitals (5.4–5.5)
• Chapter 6 - pages 281–283, questions 6.1–6.4, 6.17–6.44
  • Identify intermolecular forces and apply them to physical changes (6.1–6.3)

Exam 4

• Chapter 7 - pages 324–333, questions 7.1 – 7.110

  • Write and balance chemical reactions (7.1, 7.2)
  • Apply stoichiometry to reactions using solids and solutions (7.3)
  • Find the limiting and excess reagent, theoretical yield and percent yield (7.4)
  • Calculate percent composition and empirical formulas (7.5)
  • Compare empirical and molecular formulas (7.6)
  • Determine a formula of a compound through combustion analysis (7.7)

• Chapter 8 - pages 384–391, questions 8.1 – 8.110

  • Convert between different units of solution concentrations and apply dilutions (8.1, 8.2)
  • Identify electrolytes, nonelectrolytes and weak electrolytes (8.3)
  • Write molecular, ionic and complete ionic reactions for:
    • weak and strong acids and bases (8.4)
    • the application of solubility rules for precipitation reactions (8.6)
  • Identify Brønsted-Lowery acids and bases (8.4)
  • Recognize unsaturated, saturated, and supersaturated solutions (8.6)
  • Apply stoichiometry and solution concentrations to titrations (8.5)
  • Assign oxidation numbers to atoms in compounds (8.7)
  • Identify and balance redox reactions in acid solutions (8.7)

• Chapter 21 - pages 1018–1027, questions 21.1–21.5, 21.11 and 21.12

  • Determine the type of radioactivity based on nuclear reactions (21.1)

• Chapter 2 - pages 79–81, questions 2.43 – 2.82

  • Calculate the molar mass of atoms, ions and molecules (2.4, 2.5)

• Chapter 3 - pages 134–142, questions 3.1 – 3.38, 3.45 – 3.116, 3.119 – 3.122

  • Recognize and name elements and groups on the periodic table (2.3)
  • Describe and convert between wavelength, frequency, and the energy of light (3.1 – 3.3)
  • Describe the photoelectric effect and how it demonstrates the particle nature of light (3.1 – 3.3)
  • Describe and apply the Bohr model, De Broglie wavelengths and quantum numbers (3.4–3.6)
  • Identify the shapes of atomic orbitals (3.7)
  • Determine electron configurations of ions and atoms and magnetic properties (3.8, 3.9)
  • Interpret periodic trends of radii size of atoms and ions (3.10)
  • Interpret periodic trends of ionization energy and electron affinities (3.11–3.12)

Prepare for your chemistry exams with this comprehensive quiz covering Chapters 4 to 6. Test your understanding of chemical bonds, molecular shapes, and intermolecular forces, along with key concepts like VSEPR theory and resonance. Each section is designed to reinforce your knowledge and ensure a strong grasp of fundamental chemistry topics.