Leaving Cert Chemistry Notes

Free Leaving Cert Chemistry revision notes for Higher Level. Browse 17 topics and read online without an account.

17 topicsHigher LevelUpdated 5 Oct 2026

Explore the Chemistry topics

Connect atomic structure and bonding with gases, thermochemistry, equilibrium, acids and bases and electrochemistry. The collection also covers volumetric analysis, organic chemistry and experiments.

Read the notes for free without signing in. The topics below show what is currently available in this collection.

Strand 1: Nature of Matter

4 topics

1.1. MatterIllustrated explanations, key terms and self-check questions.18 min read 1.2. Atomic structureIllustrated explanations, key terms and self-check questions.10 min read 1.3. The periodic tableIllustrated explanations, key terms and self-check questions.10 min read 1.4. Quantifying matterIllustrated explanations, key terms and self-check questions.15 min read

Strand 2: Behaviour of Matter

4 topics

2.1. Chemical bondingIllustrated explanations, key terms and self-check questions.14 min read 2.2. Intermolecular forces and molecular shapesIllustrated explanations, key terms and self-check questions.12 min read 2.3. Behaviour of gasesIllustrated explanations, key terms and self-check questions.11 min read 2.4. HydrocarbonsIllustrated explanations, key terms and self-check questions.11 min read

Strand 3: Interactions of Matter

5 topics

3.1. ThermochemistryIllustrated explanations, key terms and self-check questions.12 min read 3.2. Rates of reactionIllustrated explanations, key terms and self-check questions.13 min read 3.3. Chemical equilibriumIllustrated explanations, key terms and self-check questions.13 min read 3.4. Acid-base systemsIllustrated explanations, key terms and self-check questions.11 min read 3.5. ElectrochemistryIllustrated explanations, key terms and self-check questions.13 min read

Strand 4: Matter in our World

3 topics

4.1. Volumetric analysisIllustrated explanations, key terms and self-check questions.15 min read 4.2. Reactivity of organic compoundsIllustrated explanations, key terms and self-check questions.13 min read 4.3. Our chemical environmentIllustrated explanations, key terms and self-check questions.14 min read

Practical work

1 topic

ExperimentsIllustrated explanations, key terms and self-check questions.29 min read