Edexcel International GCSE in Chemistry Revision Notes - New Syllabus
Edexcel International GCSE in Chemistry (4CH1) Revision Notes
Edexcel International GCSE in Chemistry (4CH1) Revision Notes at IITian Academy focus on a specific topic or type of questions asked in actual exam. Notes are based on new syllabus for assessment of 2025
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Edexcel Chemistry (4CH1) Study Notes
Topic 1: Principles of Chemistry
States of Matter
- 1.1–1.2 Particle Model of Solids, Liquids and Gases; Changes of State
- 1.3 Diffusion
- 1.4–1.5C Solutions and Solubility
- 1.6–1.7C Solubility Curves , Core Practical: Solubility
Elements, Compounds and Mixtures
- 1.8–1.9 Classification of Substances; Pure Substances and Mixtures
- 1.10 Separation Techniques
- 1.11–1.12 Chromatograms and Rf Values
- 1.13 Core Practical: Paper Chromatography
Atomic Structure
- 1.14–1.15 Atoms, Molecules, and Structure of the Atom
- 1.16 Atomic Number, Mass Number, and Isotopes
- 1.17 Relative Atomic Mass
The Periodic Table
- 1.18 Arrangement of the Periodic Table
- 1.19–1.22 Electronic Configuration and Periodic Position
- 1.20–1.21 Metals, Non-metals, and Classification of Elements
- 1.23 Group Properties
- 1.24 Noble Gases
Chemical Formulae, Equations and Calculations
- 1.25 Word and Symbol Equations
- 1.26Relative Formula Mass
- 1.27 Mole
- 1.28–1.29 Amount of Substance and Reacting Mass Calculations
- 1.30 Percentage Yield
- 1.31 Preparation of Simple Compounds
- 1.32–1.33 Empirical and Molecular Formulae and Calculations
- 1.34C Concentration Calculations
- 1.35C Gas Volume Calculations
- 1.36 Practical: Formula of a Metal Oxide
Ionic Bonding
- 1.37–1.38 Formation and Charges of Ions
- 1.39 Writing Ionic Formulae
- 1.40 Dot-and-Cross Diagrams for Ionic Bonding
- 1.41 Ionic Bonding and Electrostatic Attraction
- 1.42–1.43 Giant Ionic Lattices, Melting Points, and Electrical Conductivity
Covalent Bonding
- 1.44–1.45 Covalent Bonds and Electrostatic Attraction
- 1.46 Dot-and-Cross Diagrams for Covalent Molecules
- 1.47 Simple Molecular Substances
- 1.48 Intermolecular Forces and Boiling Points
- 1.49–1.50 Giant Covalent Structures; Diamond, Graphite and Fullerenes
- 1.51 Electrical Conductivity of Covalent Compounds
Metallic Bonding
Electrolysis
- 1.55C Electrical Conductivity
- 1.56–1.57C Electrolysis of Ionic Compounds and Ions
- 1.58C Electrolysis Experiments
- 1.59C Half-Equations
- 1.60C Core Practical: Electrolysis
Topic 2: Inorganic Chemistry
Group 1: Alkali Metals
- 2.1 Reactions of Alkali Metals with Water
- 2.2–2.3 Trends in Reactivity of Group 1 , Properties of Alkali Metals
- 2.4C Reactivity Trend and Electronic Configuration
Group 7: Halogens
- 2.5 Physical Properties of Halogens
- 2.6 Trends in Group 7
- 2.7 Displacement Reactions
- 2.8C Reactivity Trend and Electronic Configuration
Gases in the Atmosphere
- 2.9 Composition of Dry Air
- 2.10 Determination of Oxygen in Air
- 2.11 Combustion Reactions
- 2.12 Formation of Carbon Dioxide
- 2.13 Carbon Dioxide and Climate Change
- 2.14 Practical: Oxygen in Air
Reactivity Series
- 2.15 Reactivity Series from Reactions with Water and Acids
- 2.16 Reactivity Series from Displacement Reactions
- 2.17 Order of Metal Reactivity
- 2.18 Rusting of Iron
- 2.19 Prevention of Rusting
- 2.20 Oxidation and Reduction
- 2.21 Practical: Metals and Acids
Extraction and Uses of Metals
- 2.22C Metal Ores and Native Metals
- 2.23–2.24C Metal Extraction Methods and Processes
- 2.24C Metal Extraction Processes
- 2.25C Uses of Aluminium, Copper, Iron and Steel
- 2.26–2.27C Alloys and Their Properties
Acids, Alkalis and Titrations
- 2.28 Indicators
- 2.29–2.30 The pH Scale, Universal Indicator, and pH
- 2.31 Acids and Alkalis in Aqueous Solution
- 2.32 Neutralisation
- 2.33C Acid–Alkali Titration
Acids, Bases and Salt Preparation
- 2.34 Solubility Rules
- 2.35–2.36 Acids and Bases as Proton Transfer (Brønsted–Lowry Theory)
- 2.37 Reactions of Acids
- 2.38 Bases and Alkalis
- 2.39–2.41C Preparation of Soluble and Insoluble Salts
- 2.42 Practical: Copper(II) Sulfate Crystals
- 2.43C Practical: Lead(II) Sulfate
Chemical Tests
Topic 3: Physical Chemistry
Energetics
- 3.1 Exothermic and Endothermic Reactions
- 3.2 Calorimetry Experiments
- 3.3 Heat Energy Calculations (Q = mcΔT)
- 3.4 Molar Enthalpy Change
- 3.5C Energy Level Diagrams
- 3.6C Bond Breaking and Bond Making
- 3.7C Bond Energies and Enthalpy Change
- 3.8 Practical: Temperature Changes in Reactions
Rates of Reaction
- 3.9 Factors Affecting Rate of Reaction
- 3.10 Effects of Surface Area, Concentration, Pressure and Temperature
- 3.11 Collision Theory
- 3.12 Catalysts
- 3.13 Catalysts and Activation Energy
- 3.14C Reaction Profile Diagrams
- 3.15 Practical: Rate of Reaction with Marble Chips
- 3.16 Practical: Catalytic Decomposition of Hydrogen Peroxide
Reversible Reactions and Equilibria
- 3.17–3.18 Reversible Reactions and Examples
- 3.19–3.20C Dynamic Equilibrium and Its Characteristics
- 3.21 -3.22C Effect of Catalysts, Temperature and Pressure on Equilibrium
Topic 4: Organic Chemistry
Introduction to Organic Chemistry
- 4.1 Hydrocarbons
- 4.2 Representing Organic Molecules
- 4.3 Homologous Series, Functional Groups and Isomerism
- 4.4 IUPAC Naming of Organic Compounds
- 4.5 Structural and Displayed Formulae
- 4.6 Organic Reaction Types
Crude Oil
- 4.7 Crude Oil as a Mixture of Hydrocarbons
- 4.8 Fractional Distillation of Crude Oil
- 4.9 Uses of Fractions from Crude Oil
- 4.10 Properties of Fractions
- 4.11 Fuels and Energy Release
- 4.12 Combustion of Hydrocarbons
- 4.13 Carbon Monoxide and Toxicity
- 4.14 Oxides of Nitrogen in Engines
- 4.15 Sulfur Dioxide from Impurities
- 4.16 Acid Rain
- 4.17–4.18 Catalytic Cracking and Its Importance
Alkanes
- 4.19 General Formula of Alkanes
- 4.20 Saturated Hydrocarbons
- 4.21 Structures and Naming of Alkanes
- 4.22 Reactions of Alkanes with Halogens
Alkenes
- 4.23–4.24 Functional Group & General Formula of Alkenes
- 4.25 Unsaturated Hydrocarbons
- 4.26 Structures and Naming of Alkenes
- 4.27–4.28 Reactions with Bromine and the Bromine Water Test
Alcohols
- 4.29C Functional Group of Alcohols
- 4.30C Structures and Naming of Alcohols
- 4.31C Oxidation of Ethanol
- 4.32C Manufacture of Ethanol
- 4.33C Fermentation Conditions
Carboxylic Acids
- 4.34C Functional Group of Carboxylic Acids
- 4.35C Structures and Naming of Carboxylic Acids
- 4.36C Reactions of Carboxylic Acids
- 4.37C Vinegar as Ethanoic Acid
Esters
- 4.38C Functional Group of Esters
- 4.39C Formation of Ethyl Ethanoate
- 4.40C Structure of Ethyl Ethanoate
- 4.41–4.42C Structures of Esters , Properties and Uses of Esters
- 4.43C Practical: Preparation of an Ester
Synthetic Polymers