Chemistry

4 sections available · 28 chapters available

Free Chemistry revision notes for Pearson Edexcel IGCSE students. Each chapter covers a key topic with worked examples and practice prompts you can take straight into the thinka app.

Principles of chemistry

States of matter
Elements, compounds and mixtures
Atomic structure
The Periodic Table
Chemical formulae, equations and calculations
Ionic bonding
Covalent bonding
Metallic bonding
Electrolysis

Inorganic chemistry

Group 1 (alkali metals) – lithium, sodium and potassium
Group 7 (halogens) – chlorine, bromine and iodine
Gases in the atmosphere
Reactivity series
Extraction and uses of metals
Acids, alkalis and titrations
Acids, bases and salt preparations
Chemical tests

Physical chemistry

Energetics
Rates of reaction
Reversible reactions and equilibria

Organic chemistry

Introduction
Crude oil
Alkanes
Alkenes
Alcohols
Carboxylic acids
Esters
Synthetic polymers

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