Questions

Chapter 1

• Classes of matter (pure substances vs mixtures)
• Properties of matter (physical vs chemical)
• States of matter (include diagram description)

Chapter 2

• Isotopes: notation and average atomic mass calculation
• Naming ionic and molecular compounds
• Writing formulas from names
• Empirical vs molecular formula (relationships and examples)

Chapter 3

• The mole and molar mass
• Mass–mole–particles conversions (calculations)
• Percent composition calculations
• Limiting reactant problems

Chapter 4

• Molarity calculations
• Acid–base neutralization reactions

Chapter 5

• The nature of energy (kinetic vs potential)
• Heat flow (endothermic vs exothermic)
• Change in internal energy (ΔE = q + w)
• Calorimetry (q = m × c × ΔT)

Chapter 6

• Gas pressure and units
• Ideal Gas Law (PV = nRT) applications

Chapter 7

• Lewis theory and symbols
• Lewis structures (steps and examples)
• Electronegativity and bond types
• Formal charge calculations

Extra

• Neutralization reaction
• pH calculations
• Equilibrium constant (Kc & Kp)