Chemistry AS Topics

Length of course: 5 half-day sessions
Boards: AQA, Edexcel, OCR/A

This course revises topics which are common to the following AS level specifications:
AQA 1421; Edexcel 8CH01; OCR/A H034

Introductory Chemistry

  • Atoms and Atomic Structure: Electron arrangement in atoms and ions
  • Moles and Equations: Masses; Concentration of solutions; Volumes of gases; Percentage yield
  • Redox: Oxidation numbers; Electron transfer; Half equations

Bonding and Inorganic Chemistry

  • Bonding: Ionic, Covalent and Metallic; Electronegativity; Intermediate bonding; Intermolecular forces; Shapes of molecules
  • Periodicity
  • Group 2 and Group 7

Physical Chemistry

  • Enthalpy Changes: Enthalpy diagrams; Hess’s Law
  • Rates of reaction: Factors affecting rate; Collision theory; Maxwell-Boltzmann distribution; Role of catalysts.
  • Equilibria: Dynamic equilibrium; Le Chatelier’s principle; Equilibria in industry.

Organic Chemistry

  • Basic Concepts: Naming; Identifying functional groups; Basic definitions; Structural isomerism
  • Alkanes: Structure; Bonding; Reactions
  • Alkenes: Structure; Bonding; Reactions including addition polymerisation; Geometric isomerism
  • Alcohols: Types of alcohol; Distinguishing tests; Reactions
  • Haloalkanes: Types of haloalkane; Distinguishing tests; Reactions
  • Mechanisms: Nucleophiles, electrophiles and curly arrows

Analytical techniques and Green Chemistry

  • Modern Analytical Techniques: Mass spectroscopy, IR spectroscopy
  • Chemistry of the Air: Greenhouse effect; Environmental significance of CFCs and ozone
  • Green Chemistry: Atom economy in synthesis; Carbon footprints; Sustainability