Cambridge (CIE) IGCSE Chemistry Revision Notes 2021

Overview

• Comprehensive resources for Cambridge (CIE) IGCSE Chemistry.
• Includes exam questions, revision notes, flashcards, and past papers.

Main Topics

1. States of Matter

• Solids, Liquids, & Gases
  • Concepts include kinetic theory, states of matter.
  • Discusses pressure & temperature in gases, and diffusion.

2. Atoms, Elements & Compounds

• Atomic Structure & Periodic Table
  • Elements, compounds, mixtures, and atomic structure.
  • Electronic configuration and isotopes.
• Ions & Ionic Bonds
  • Ionic bonds and lattice structure.
  • Properties of ionic compounds.
• Simple Molecules & Covalent Bonds
  • Covalent bonds and molecular compounds.
  • Properties of simple molecular compounds.
• Giant Structures
  • Diamond, graphite, silicon(IV) oxide, and metallic bonding.

3. Stoichiometry

• Formulae & Relative Masses
  • Includes empirical formulae and writing equations.
  • Concepts of Ar & Mr.
• The Mole & Avogadro Constant
  • Linking moles, mass, and Mr.
  • Reacting masses, concentration calculations, and titration.

4. Electrochemistry

• Electrolysis
  • Principles of electrolysis.
  • Electrolysis of molten and aqueous compounds.
• Applications
  • Electroplating and hydrogen fuel cells.

5. Chemical Energetics

• Exothermic & Endothermic Reactions
  • Enthalpy change and activation energy.
  • Bond breaking and forming.

6. Chemical Reactions

• Chemical Change & Rate of Reaction
  • Physical changes, rate factors, and collision theory.
• Reversible Reactions & Equilibrium
  • Equilibrium, Haber Process, and Contact Process.
• Redox
  • Oxidation, reduction, and electron transfer.

7. Acids, Bases & Salts

• Properties of Acids & Bases
  • Properties, ions in acids and alkalis.
  • Proton transfer and classifying oxides.
• Preparation of Salts
  • Preparing soluble and insoluble salts.
  • Solubility rules and hydrated salts.

8. The Periodic Table

• Trends & Group Properties
  • Periodic table, trends, and group properties.
  • Noble gases and transition elements.

9. Metals

• Properties, Uses & Alloys
  • Reactivity series and corrosion.
  • Extraction of metals like iron and aluminium.

10. Chemistry of the Environment

• Water & Pollution
  • Chemical tests for water, treatment, and pollution.
• Air Quality & Climate
  • Effects of greenhouse gases and environmental solutions.

11. Organic Chemistry

• Formulae & Families
  • Homologous series, alkanes, and alkenes.
  • Alcohols, carboxylic acids, and polymers.

12. Experimental Techniques & Chemical Analysis

• Techniques & Purification
  • Measurement apparatus, chromatography, and titration.
• Identification of Ions & Gases
  • Methods for identifying anions, cations, and gases.

Exam Boards

• Covers Cambridge (CIE), Edexcel, and Oxford AQA syllabuses.

Study Tools

• Includes exam questions, flashcards, past papers, and more.