A-Level Chemistry (CAIE 9701)

Course Overview 课程介绍

CAIE 高级化学课程，分 AS 与 A2，化学/医学/药学申请核心科目。

A-Level Chemistry is a UK advanced secondary course split into AS (Year 1) and A2 (Year 2). It covers physical, inorganic and organic chemistry, with strong emphasis on microscopic structure and reaction mechanisms, plus hands-on practical and quantitative analysis skills. A key subject for chemistry, medicine, pharmacy, materials, chemical engineering and biology applicants.

Key Facts 基本信息

Exam Board (考试局)	CAIE (Cambridge Assessment International Education)
CAIE Code (代码)	9701
Duration (学制)	2 years (AS + A2)
Grading (评分)	A* - E (A* only for full A-Level)
Exam Structure (CAIE)	AS: Paper 1/2/3 · A2: Paper 4/5
Practical (实验)	Paper 3 (AS) hands-on + Paper 5 (A2) planning and evaluation

AS Syllabus AS 阶段章节

AS1. Atomic Structure

Atomic structure, subatomic particles, isotopes, electron configuration, mass spectrometry
AS2. Atoms, Molecules and Stoichiometry

Atoms, molecules and stoichiometry, relative atomic mass, mole, empirical/molecular formula, concentration calculations
AS3. Chemical Bonding

Chemical bonding, ionic/covalent/metallic bonds, VSEPR, hybridisation, molecular shapes
AS4. States of Matter

States of matter, kinetic theory of gases, liquids and solids, state changes, ionic lattice energy
AS5. Chemical Energetics

Chemical energetics, enthalpy change, Hess's law, combustion and neutralisation enthalpy, bond energy
AS6. Electrochemistry

Electrochemistry, galvanic cells, standard electrode potential, electrolysis, redox equation balancing
AS7. Equilibria

Chemical equilibria, Le Chatelier's principle, equilibrium constant Kc, factors affecting equilibrium
AS8. Reaction Kinetics

Reaction kinetics, collision theory, factors affecting rate, catalysts, Boltzmann distribution
AS9. The Periodic Table

Periodic trends, periodicity of atomic radius and ionisation energy, main group property variation
AS10. Group 2 and Group 17

Group 2 and Group 17, alkaline earth metals and halogens properties, reaction trends, uses
AS11. Nitrogen and Sulfur

Nitrogen and sulfur, nitrogen oxides and ammonia, sulfur dioxide and sulfuric acid, environmental impact
AS12. Introduction to Organic Chemistry

Introduction to organic chemistry, functional groups, homologous series, isomers, nomenclature, mechanism representation
AS13. Hydrocarbons

Hydrocarbons, alkane free-radical substitution, alkene electrophilic addition, aromatic hydrocarbons and benzene structure
AS14. Halogenoalkanes and Alcohols

Halogenoalkanes and alcohols, nucleophilic substitution and elimination, ethanol oxidation, identification reactions

A2 Syllabus A2 阶段章节

A215. Chemical Energetics (Advanced)

Chemical energetics (advanced), Born-Haber cycle, lattice energy, entropy change, Gibbs free energy
A216. Electrochemistry (Advanced)

Electrochemistry (advanced), electrochemical series applications, Nernst equation introduction, electrolysis quantitative calculations
A217. Equilibria (Advanced)

Equilibria (advanced), Kp and gas-phase equilibrium, buffer solutions, solubility product Ksp
A218. Reaction Kinetics (Advanced)

Reaction kinetics (advanced), rate equations, order determination, reaction mechanisms, Arrhenius equation
A219. Transition Elements

Transition elements, d-orbitals and variable oxidation states, complex colour, catalysis
A220. Group 17 and Nitrogen (Advanced)

Group 17 and nitrogen compounds (advanced), oxyacids, identification of nitrogen-containing inorganic ions
A221. Anions, Cations and Inorganic Analysis

Qualitative analysis of anions and cations, precipitation reactions, ion identification schemes
A222. Phenols, Carboxylic Acids and Derivatives

Phenols, carboxylic acids and derivatives, acidity comparison, esterification and hydrolysis
A223. Carbonyl Compounds

Carbonyl compounds, aldehyde and ketone properties, nucleophilic addition, identification reactions, carboxylic acid synthesis
A224. Nitrogen Compounds

Nitrogen-containing organic compounds, amines, amino acids, proteins, polyamides, diazonium salts
A225. Polymerisation

Polymerisation, addition and condensation polymers, biodegradable polymers, properties and uses
A226. Organic Synthesis

Organic synthesis, multi-step synthesis routes, functional group interconversion, route design
A227. Analytical Techniques

Analytical techniques, infrared spectroscopy, mass spectrometry, NMR (1H and 13C), chromatography

Exam Structure (CAIE 9701) 考试结构

Paper 1	AS Multiple Choice · 1h15m · 31% of AS / 15.5% of A-Level
Paper 2	AS Structured Questions · 1h15m · 46% of AS / 23% of A-Level
Paper 3	AS Advanced Practical Skills · 2h · 23% of AS / 11.5% of A-Level
Paper 4	A2 Structured Questions · 2h · 38.5% of A-Level
Paper 5	A2 Planning, Analysis and Evaluation · 1h15m · 11.5% of A-Level

Suitable Majors 适用专业与衔接

化学、医学、药学、材料等专业的重要前置科目，多所英国医学院必修。

A-Level Chemistry is a key prerequisite for chemistry, chemical engineering, pharmacy, medicine, dentistry, biochemistry, materials science, environmental science, food science and forensics. Many UK medical schools require Chemistry as a mandatory A-Level. It provides a solid foundation for university organic synthesis, physical chemistry and biochemistry courses.