Chemistry (0620)

12 sections available · 49 chapters available

Free Chemistry (0620) study notes for Cambridge IGCSE students. Each chapter breaks down a key concept with examples and practice prompts you can turn into AI drills in the thinka app.

States of matter

Solids, liquids and gases
Diffusion

Atoms, elements and compounds

Elements, compounds and mixtures
Atomic structure and the Periodic Table
Isotopes
Ions and ionic bonds
Simple molecules and covalent bonds
Giant covalent structures
Metallic bonding

Stoichiometry

Formulae
Relative masses of atoms and molecules
The mole and the Avogadro constant

Electrochemistry

Electrolysis
Hydrogen–oxygen fuel cells

Chemical energetics

Exothermic and endothermic reactions

Chemical reactions

Physical and chemical changes
Rate of reaction
Reversible reactions and equilibrium
Redox

Acids, bases and salts

The characteristic properties of acids and bases
Oxides
Preparation of salts

The Periodic Table

Arrangement of elements
Group I properties
Group VII properties
Transition elements
Noble gases

Metals

Properties of metals
Uses of metals
Alloys and their properties
Reactivity series
Corrosion of metals
Extraction of metals

Chemistry of the environment

Water
Fertilisers
Air quality and climate

Organic chemistry

Formulae, functional groups and terminology
Naming organic compounds
Fuels
Alkanes
Alkenes
Alcohols
Carboxylic acids
Polymers

Experimental techniques and chemical analysis

Experimental design
Acid–base titrations
Chromatography
Separation and purification
Identification of ions and gases

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