Chemistry: Edexcel IGCSE revision notes
1 States of Matter
1.1 States of Matter
2 Elements, Compounds & Mixtures
2.1 Elements, Mixtures & Compounds
- 2.1.1 Elements & Compounds
- 2.1.2 Chemical Formula
- 2.1.3 Mixtures
- 2.1.4 Purity
- 2.1.5 Separating Mixtures
- 2.1.6 Separating Mixtures 2
- 2.1.7 Paper Chromatography
- 2.1.8 Paper Chromatography Analysis
- 2.1.9 Paper Chromatography - Practical
- 2.1.10 End of Topic Test - Elements,Compounds,Mixtures
- 2.1.11 Grade 9 - Chromatography
- 2.1.12 Exam-Style Questions - Separation of Mixtures
5 Chemical Formulae, Equations & Calculations
5.1 Equations
- 5.1.1 Forming Equations
- 5.1.2 Balancing Symbols
- 5.1.3 State Symbols
- 5.1.4 Relative Formula Mass
- 5.1.5 Calculating Relative Formula Mass
- 5.1.6 Relative Formula Mass - Calculations
- 5.1.7 Introducing Moles
- 5.1.8 Relative Formula Mass
- 5.1.9 Amounts of Substance
- 5.1.10 Moles & Yield
- 5.1.11 Moles - Calculations
- 5.1.12 Balancing Equations
- 5.1.13 Moles to Balance Equations
- 5.1.14 Limiting Reactants
- 5.1.15 Chemical Measurements
- 5.1.16 Calculating Mass
- 5.1.17 Changing Mass
- 5.1.18 Exam-Style Questions - Moles
- 5.1.19 Percentage Yield
- 5.1.20 Calculating Yield
- 5.1.21 Percentage Yield - Calculations
- 5.1.22 Empirical & Molecular Formula
- 5.1.23 Experiment for Empirical Formula
- 5.1.24 Empirical Formula - Calculations
- 5.1.25 Concentrations & Amounts
- 5.1.26 Conclusion of Solutions
- 5.1.27 Volumes and Gases
- 5.1.28 Concentration & Amounts - Calculations
- 5.1.29 End of Topic Test - Equations
- 5.1.30 Grade 9 - Equations
6 Bonding
6.2 Covalent Bonding
- 6.2.1 Covalent Bonding
- 6.2.2 Dot-and-Cross Diagrams
- 6.2.3 Representing Covalent Bonds
- 6.2.4 Covalent Bond Examples
- 6.2.5 Covalent Bond Examples 2
- 6.2.6 Simple Covalent Molecules
- 6.2.7 Chemical Properties of Small Molecules
- 6.2.8 Giant Covalent Structures
- 6.2.9 Giant Covalent Structures 2
- 6.2.10 Carbon Structures - Diamonds
- 6.2.11 Carbon Structures - Graphite
- 6.2.12 Carbon Structures - Fullerenes
- 6.2.13 Carbon Structures - Summary
- 6.2.14 Exam-Style Questions - Allotropes of Carbon
8 Groups of the Periodic Table
8.1 Alkali Metals & Halogens
- 8.1.1 Alkali Metals
- 8.1.2 Alkali Metals - Properties
- 8.1.3 Alkali Metal Reactions
- 8.1.4 Reactivity of Alkali Metals
- 8.1.5 Halogens - Properties
- 8.1.6 Halogens - Colours and States
- 8.1.7 Halogen - Displacement Reactions
- 8.1.8 Halogen - Displacement Reactions 2
- 8.1.9 Reactions Between Halogens and Metals
- 8.1.10 Hydrogen Halides
- 8.1.11 End of Topic Test - Alkali Metals & Halogens
- 8.1.12 Grade 9 - Alkali Metals & Halogens
- 8.1.13 Exam-Style Questions - Alkali Metals
9 The Atmosphere
9.1 Gases in the Atmosphere
- 9.1.1 Gases in the Air
- 9.1.2 Calculating Oxygen in the Air - Metal
- 9.1.3 Calculating Oxygen in the Air - Non-Metal
- 9.1.4 Oxygen
- 9.1.5 Carbon Dioxide
- 9.1.6 Greenhouse Gases
- 9.1.7 Greenhouse Gases & Human Activities
- 9.1.8 Greenhouse Gases & Climate
- 9.1.9 End of Topic Test - Gases in the Atmosphere
- 9.1.10 Grade 9 - Gases in the Atmosphere
10 Reactivity Series
10.1 Reactivity Series
- 10.1.1 Reactivity Diagram
- 10.1.2 Displacement Reactions
- 10.1.3 Reactivity Tests - Water
- 10.1.4 Reactivity Tests - Acid
- 10.1.5 Reactivity Tests - Metals
- 10.1.6 Corrosion
- 10.1.7 Preventing Corrosion
- 10.1.8 Metal Oxide
- 10.1.9 Oxidisation & Reduction
- 10.1.10 Redox Reactions
- 10.1.11 End of Topic Test - Reactivity Series
- 10.1.12 Grade 9 - Reactivity Series
- 10.1.13 Exam-Style Questions - Redox Reactions
12 Acids & Alkalis
12.1 Acids, Alkalis & Titrations
- 12.1.1 Acids and Alkali Indicators
- 12.1.2 Is it an Acid or Alkali?
- 12.1.3 The pH Scale
- 12.1.4 Titrations
- 12.1.5 Titration - Practical
- 12.1.6 Titrations - Methods
- 12.1.7 Soluble Salts
- 12.1.8 Solubility of Salts
- 12.1.9 Making Insoluble Salts
- 12.1.10 Required Practical: Separating Mixtures
- 12.1.11 Reaction of Acid & Metals
- 12.1.12 Neutralisation of Acids
- 12.1.13 Strong vs Weak Bases
- 12.1.14 End of Topic Test - Acids & Alkalis
- 12.1.15 Grade 9 - Acids & Alkalis
- 12.1.16 Exam-Style Questions - Neutralisation & Titrations
13 Chemical Tests
13.1 Identifying Gases
13.2 Testing Anions, Cations & Water
- 13.2.1 Flame Tests
- 13.2.2 Flame Test - Practical
- 13.2.3 Metal Hydroxides
- 13.2.4 Testing Cations
- 13.2.5 Testing for Aqueous Cations
- 13.2.6 Testing Carbonates
- 13.2.7 Testing Halides
- 13.2.8 Testing for Carbonate and Halides
- 13.2.9 Testing Sulfates
- 13.2.10 Testing Sulfates 2
- 13.2.11 Testing Water
- 13.2.12 Testing Water Purity
- 13.2.13 End of Topic Test - Chemical Tests
- 13.2.14 Grade 9 - Chemical Tests
- 13.2.15 Exam-Style Questions - Identifying Gases & Ions
14 Physical Chemistry
14.1 Energetics
- 14.1.1 Energy Conservation
- 14.1.2 Exothermic Reactions
- 14.1.3 Endothermic Reactions
- 14.1.4 Heat Changes
- 14.1.5 Calculating Heat Energy Transferred
- 14.1.6 Molar Enthalpy Change
- 14.1.7 Reaction Profiles
- 14.1.8 Reaction Profiles - Catalysed vs Uncatalysed
- 14.1.9 Exam-Style Questions - Reaction Profiles
- 14.1.10 Chemical Bonds
- 14.1.11 Bond Energies
14.2 Rates of Reaction
- 14.2.1 Reaction Practicals - Measuring Gas Production
- 14.2.2 Reaction Practicals - Observing a Colour Change
- 14.2.3 Rate of Reaction - Collision Theory
- 14.2.4 Rate of Reaction - Key Factors
- 14.2.5 Rate of Reaction - Catalysts
- 14.2.6 End of Topic Test - Energetics & Rates
- 14.2.7 Grade 9 - Energetics & Rates
15 Organic Chemistry
15.5 Esters
15.7 End of Topic - Organic Chemistry