GCSEChemistryWJEC1. Chemical Substances, Reactions & Essential Resources

1. Chemical Substances, Reactions & Essential Resources (WJEC GCSE Chemistry)

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1.1 The Nature of Substances & Chemical Reactions

  1. Elements & Compounds
  2. Chemical Symbols & Formulae
  3. Relative Atomic Mass & Relative Molecular Mass
  4. Percentage Composition
  5. Separating Mixtures
  6. Conservation of Mass
  7. Evidence of a Chemical Reaction
  8. Chemical Equations
  9. Percentage Yield
  10. Reacting Masses
  11. The Avogadro Constant & the Mole

1.2 Atomic Structure & The Periodic Table

  1. Atomic Structure
  2. Atomic Number, Mass Number & Isotopes
  3. Relative Atomic Mass
  4. The Periodic Table
  5. Electronic Structure
  6. Trends in the Periodic Table
  7. Reactions of Alkali Metals
  8. Testing for Hydrogen Gas
  9. Reactions of Halogens
  10. Group 0 Gases
  11. Testing Cations & Anions
  12. Identifying Unknown Ionic Compounds

1.3 Water

  1. Composition of Water
  2. Sustainable Water Supply
  3. Water Treatment
  4. Fluoridation of Water
  5. Desalination
  6. Distillation
  7. Solubility Curves
  8. Hard Water
  9. Water Softening
  10. Benefits & Drawbacks of Hard Water
  11. Determining Hardness in Water

1.4 The Ever-Changing Earth

  1. Structure of the Earth
  2. Plate Tectonics
  3. Plate Boundaries
  4. The Atmosphere
  5. Carbon Dioxide & Sulfur Dioxide Emissions
  6. Global Warming & Acid Rain
  7. Testing for Oxygen & Carbon Dioxide

1.5 Rate Of Chemical Change

  1. Determining the Rate of Reaction
  2. Factors Affecting Rates
  3. Hydrochloric Acid & Sodium Thiosulfate
  4. Particle Theory
  5. Catalysts
  6. Enzymes
  7. Rate of Reaction Using Gas Collection

1.6 Limestone

  1. Carbonates
  2. Thermal Stability of Carbonates
  3. The Limestone Cycle
  4. Using Limestone

1.1 The Nature of Substances & Chemical Reactions

  1. Topic Questions

1.2 Atomic Structure & The Periodic Table

  1. Topic Questions

1.3 Water

  1. Topic Questions

1.4 The Ever-Changing Earth

  1. Topic Questions

1.5 Rate Of Chemical Change

  1. Topic Questions

1.6 Limestone

  1. Topic Questions
WJEC GCSE Chemistry Past Papers