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Chemistry
4 sections available · 28 chapters available
Free Chemistry study notes for Pearson Edexcel IGCSE students. Each chapter breaks down a key concept with examples and practice prompts you can turn into AI drills in 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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