Edexcel International GCSE in Chemistry Revision Notes - New Syllabus

Topic 1: Principles of Chemistry

States of Matter

• 1.1–1.3 Particle Model of Solids, Liquids and Gases; Changes of State; Diffusion
• 1.4–1.5C Solutions and Solubility
• 1.6–1.7C Solubility Curves and 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
• 1.26–1.27 Relative Formula Mass and the 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

• 1.52–1.53C Metallic Lattices and Metallic Bonding
• 1.54C Properties of Metals

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