1. Particles

1.1 The Particle Model

1.1.1 The Particle Model

1.1.2 Limitations of the Particle Model

1.2 Atomic Structure

1.2.1 Atomic Models Through Time

1.2.2 Atomic Structure

1.2.3 Calculating the Particles

2. Elements, compounds & mixtures

2.1 Purity & Separating Mixtures

2.1.1 Pure & Impure

2.1.2 Relative Masses

2.1.3 Empirical Formula

2.1.4 Alloys

2.1.5 Separation Techniques

2.1.6 Chromatography

2.2 Bonding

2.2.1 Metals & Non-Metals

2.2.2 Electronic Structure

2.2.3 Ionic Bonding

2.2.4 Covalent Bonding

2.2.5 Giant Covalent Structures

2.2.6 Polymers

2.2.7 Metals

2.2.8 Atomic Structure & the Periodic Table

2.3 Properties of materials

2.3.1 Carbon

2.3.2 Changes of State

2.3.3 Bulk Properties

2.3.4 Nanoparticles

3. Chemical Reactions

3.1 Introducing Chemical Reactions

3.1.1 Chemical Symbols & Formulae

3.1.2 Deducing Formulae Using Common Ions

3.1.3 Balancing Chemical Equations

3.1.4 Writing Balanced Ionic Equations

3.1.5 The Avogadro Constant

3.1.6 Conservation of Mass

3.1.7 Using Moles to Balance Equations

3.1.8 Calculating Masses from Balanced Equations

3.2 Energetics

3.2.1 Exothermic & Endothermic Reactions

3.2.2 Calculating Energy Changes

3.3 Types of Chemical Reactions

3.3.1 Oxidation & Reduction

3.3.2 OxidatIon & Reduction in Terms of Electrons

3.3.3 Acids & Alkalis

3.3.4 Neutralisation

3.3.4 Strong & Weak Acids

3.3.5 Effect of Hydrogen Ion Concentration on pH

3.4 Electrolysis

3.4.1 Electrolysis

3.4.2 Electrolysis of Aqueous Solutions

3.4.3 Reactions at Electrodes

3.4.4 Half Equations

4. Predicting & Identifying Reactions & Products

4.1 Predicting Chemical Reactions

4.1.1 Group 1

4.1.2 Group 7

4.1.3 Group 0

4.1.4 Transition Metals

4.1.5 The Reactivity Series

4.2 Identifying the Products of Chemical Reactions

4.2.1 Testing for Common Gases

4.2.2 Testing for Aqueous Cations

4.2.3 Testing for Aqueous Anions

4.2.4 Flame Tests

4.2.5 Instrumental Analysis

5. Monitoring & Controlling Chemical Reactions

5.1 Monitoring Chemical Reactions

5.1.1 Concentration in g/dm3

5.1.2 Concentration in mol/dm3

5.1.3 Titrations

5.1.4 Titration Calculations

5.1.5 Gas Volume Calculations

5.1.6 Yields

5.1.7 Atom Economy

5.1.8 Choosing a Reaction Pathway

5.2 Controlling Reactions

5.2.1 Measuring Rates

5.2.2 Rate Graphs

5.2.3 Change Rates

5.2.4 Catalysts & Enzymes

5.3 Equilibria

5.3.1 Equilibrium

5.3.2 Le Chatelier's Principle

6. Global Challenges

6.1 Improving Processes & Products

6.1.1 Extracting Metals

6.1.2 Biological Extraction Methods

6.1.3 The Haber Process

6.1.4 Making Fertilisers

6.1.5 Explaining the Haber Process

6.1.6 The Contact Process

6.1.7 Life Cycle Assessment

6.1.8 Recycling Materials

6.1.9 Properties & Uses of Alloys

6.1.10 Corrosion of Iron

6.1.11 Properties of Materials

6.2 Organic chemistry

6.2.1 Alkanes

6.2.2 Alkenes

6.2.3 Addition Polymers

6.2.4 Condensation Polymers

6.2.5 DNA

6.2.6 Alcohols

6.2.7 Carboxylic Acids

6.2.8 Crude Oil & Fractional Distillation

6.2.9 Cracking

6.2.10 Cells

6.3 Interpreting & Interacting with Earth Systems

6.3.1 Origins of the Atmosphere

6.3.2 The Greenhouse Effect

6.3.3 Climate Change

6.3.4 Atmospheric Pollutants

6.3.5 Potable Water

7. Practical Skills

7.1 Practical Skills

7.1.1 Reactivity Trends

7.1.2 Electrolysis

7.1.3 Separation Techniques

7.1.4 Distillation

7.1.5 Identification of Species

7.1.6 Titration

7.1.7 Production of Salts

7.1.8 Measuring Rates of Reaction

Study tools

• OCR Gateway GCSE Chemistry · Exam Questions
• OCR Gateway GCSE Chemistry · Past Papers