Chemistry

IGCSE · 12 topics available

Chapter 1 · States of Matter

States of Matter

The three states of matter explained by the particle model, and changes of state — with an interactive exercise.

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Chapter 2 · Atoms, Elements and Compounds

Atoms, Elements and Compounds

Atomic structure, and the difference between elements, compounds and mixtures — with an interactive exercise.

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Chapter 3 · Stoichiometry

Stoichiometry

Chemical formulae, counting atoms and balanced equations — with an interactive exercise.

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Chapter 4 · Electrochemistry

Electrochemistry

Electrolysis — breaking down compounds with electricity, and the movement of ions — with an interactive exercise.

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Chapter 5 · Chemical Energetics

Chemical Energetics

Exothermic and endothermic reactions and their heat changes — with an interactive exercise.

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Chapter 6 · Chemical Reactions

Chemical Reactions

Rates of reaction, catalysts, reversible reactions and redox — with an interactive exercise.

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Chapter 7 · Acids, Bases and Salts

Acids, Bases and Salts

The pH scale, indicators, neutralisation and making salts — with an interactive exercise.

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Chapter 8 · The Periodic Table

The Periodic Table

Groups, periods, metals and non-metals, and the properties of key groups — with an interactive exercise.

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Chapter 9 · Metals

Metals

The reactivity series, displacement, alloys and corrosion — with an interactive exercise.

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Chapter 10 · Chemistry of the Environment

Chemistry of the Environment

Air composition, greenhouse gases, acid rain and water — with an interactive exercise.

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Chapter 11 · Organic Chemistry

Organic Chemistry

Hydrocarbons, alkanes and alkenes, fuels, crude oil and polymers — with an interactive exercise.

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Chapter 12 · Experimental Techniques and Chemical Analysis

Experimental Techniques and Chemical Analysis

Measuring, separating mixtures and testing for purity — with an interactive exercise.

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