A-Level

A-Level Chemistry Revision Notes

Complete revision notes covering Physical, Organic, and Inorganic Chemistry with mechanisms and detailed explanations.

28+ Topic Guides
All Free Downloadable PDFs
AS & A2 Full Coverage
AS

Atomic Structure

Mass spectrometry, electronic configuration, and ionisation energy.

What's Included:
  • Mass Spectrometry
  • Electronic Configuration
  • Ionisation Energy Trends
  • Orbitals
  • Emission Spectra
9 pages 22 min read
AS

Bonding & Structure

Chemical bonding theory and intermolecular forces.

What's Included:
  • Ionic Bonding
  • Covalent Bonding
  • Metallic Bonding
  • Intermolecular Forces
  • Shapes of Molecules (VSEPR)
11 pages 28 min read
A2

Energetics & Thermodynamics

Enthalpy changes, Hess's Law, and Gibbs free energy.

What's Included:
  • Enthalpy Changes
  • Hess's Law
  • Bond Enthalpies
  • Entropy
  • Gibbs Free Energy
10 pages 25 min read
A2

Kinetics

Rate equations, mechanisms, and the Arrhenius equation.

What's Included:
  • Rate Equations
  • Order of Reaction
  • Rate-Determining Step
  • Arrhenius Equation
  • Catalysis
12 pages 30 min read
AS

Alkanes & Alkenes

Saturated and unsaturated hydrocarbons with reaction mechanisms.

What's Included:
  • Alkane Reactions
  • Free Radical Substitution
  • Alkene Reactions
  • Electrophilic Addition
  • Polymers
13 pages 32 min read
AS

Alcohols & Halogenoalkanes

Functional group chemistry and substitution/elimination reactions.

What's Included:
  • Alcohol Reactions
  • Oxidation of Alcohols
  • Halogenoalkane Reactions
  • Nucleophilic Substitution (SN1/SN2)
  • Elimination Reactions
11 pages 28 min read
A2

Aromatic Chemistry

Benzene structure and electrophilic substitution mechanisms.

What's Included:
  • Structure of Benzene
  • Electrophilic Substitution
  • Nitration & Halogenation
  • Friedel-Crafts Reactions
  • Phenols
10 pages 25 min read
AS

Periodicity

Trends across periods and down groups in the periodic table.

What's Included:
  • Periodic Trends
  • Group 2 Elements
  • Group 7 Elements
  • Period 3 Elements
  • Oxides & Chlorides
9 pages 22 min read
A2

Transition Metals

Properties, complex formation, and catalytic behavior.

What's Included:
  • Physical Properties
  • Complex Formation
  • Ligands & Coordination
  • Colour & Spectra
  • Catalytic Properties
12 pages 30 min read

A-Level Chemistry Data Booklet

Download the complete data booklet with constants, equations, and spectroscopy data tables for A-Level Chemistry.

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