AQA · A Level
AQA A Level Chemistry
AQA A-level Chemistry (7405). What it covers, how it is assessed, a link to the official specification, and the free study material Marlbridge publishes for it.
- Syllabus
- 7405
- Board
- AQA
- Qualification
- A Level
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Topics and resources
Each topic below is from the official AQA document for AQA A-level Chemistry (7405), with its study guides, revision notes and practice questions together. Everything here is for AQA A Level Chemistry (7405) only.
- Learn with study guides
- Revise with revision notes
- Practise with practice questions
Searches topic names and resource titles for this course only.
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- Try the wording the syllabus uses for the topic, as listed below once you clear the search.
- Some topics have no Marlbridge resource yet; they are still listed.
AS and A-level content
Topics 1–7, 13–15, 19–24. Also the subject content of the separate AS qualification. The A-level is linear, so these topics are examined in the A-level papers at the end of the course, together with the A-level-only topics.
- AS topic 1
Atomic structure
Covers Fundamental particles, Mass number and isotopes, Electron configuration
Study guides
Revision notes
Practice questions
- AS topic 2
Amount of substance
Covers Relative atomic mass and relative molecular mass, The mole and the Avogadro constant, The ideal gas equation, Empirical and molecular formula
Study guides
Revision notes
- AS topic 3
Bonding
Study guides
Revision notes
No revision notes for this topic yet.
Practice questions
No practice questions for this topic yet.
- AS topic 4
Energetics
Study guides
Revision notes
Practice questions
- AS topic 5
Kinetics
Study guides
Revision notes
Practice questions
- AS topic 6
Chemical equilibria, Le Chatelier's principle and Kc
- AS topic 7
Oxidation, reduction and redox equations
Revision notes
Practice questions
- AS topic 13
Periodicity
Study guides
Revision notes
Practice questions
- AS topic 14
Group 2, the alkaline earth metals
Study guides
Revision notes
Practice questions
- AS topic 15
Group 7(17), the halogens
Study guides
Revision notes
Practice questions
- AS topic 19
Introduction to organic chemistry
Study guides
Revision notes
Practice questions
- AS topic 20
Alkanes
Study guides
Revision notes
Practice questions
- AS topic 21
Halogenoalkanes
Study guides
Revision notes
Practice questions
- AS topic 22
Alkenes
Study guides
Revision notes
Practice questions
- AS topic 23
Alcohols
Covers Alcohol production, Oxidation of alcohols, Elimination
Study guides
Revision notes
Practice questions
- AS topic 24
Organic analysis
Study guides
Revision notes
Practice questions
A-level only
Topics 8–12, 16–18, 25–34. Not part of the AS.
- A Level topic 8
Thermodynamics
Study guides
Revision notes
Practice questions
- A Level topic 9
Rate equations
Study guides
Revision notes
Practice questions
- A Level topic 10
Equilibrium constant Kp for homogeneous systems
- A Level topic 11
Electrode potentials and electrochemical cells
- A Level topic 12
Acids and bases
Study guides
Revision notes
Practice questions
- A Level topic 16
Properties of Period 3 elements and their oxides
- A Level topic 17
Transition metals
Study guides
Revision notes
Practice questions
- A Level topic 18
Reactions of ions in aqueous solution
Revision notes
Practice questions
- A Level topic 25
Optical isomerism
Study guides
Revision notes
Practice questions
- A Level topic 26
Aldehydes and ketones
Study guides
Revision notes
Practice questions
- A Level topic 27
Carboxylic acids and derivatives
Study guides
Revision notes
Practice questions
- A Level topic 28
Aromatic chemistry
Study guides
Revision notes
Practice questions
- A Level topic 29
Amines
Study guides
Revision notes
Practice questions
- A Level topic 30
Polymers
Study guides
Revision notes
Practice questions
- A Level topic 31
Amino acids, proteins and DNA
Study guides
Revision notes
Practice questions
- A Level topic 32
Organic synthesis
Study guides
Revision notes
Practice questions
- A Level topic 33
Nuclear magnetic resonance spectroscopy
Revision notes
Practice questions
- A Level topic 34
Chromatography
Study guides
Revision notes
Practice questions
Covering more than one topic
Course guides, exam preparation and pages that span several topics.
Study guides
No study guide for this course yet.
Revision notes
No revision notes for this course yet.
Practice questions
Source: AQA — official A-level Chemistry (7405) specification PDF — For teaching from September 2015. Verified 2026-08-21. Subtopics are shown where Marlbridge has entered them; a topic may have more in the official document. A topic listed here is part of the syllabus; it does not mean Marlbridge has published material for it. Always check the current syllabus for your examination year.
About this course
- Qualification
- AQA A Level Chemistry
- Spec code
- 7405
- Does Marlbridge teach it?
- Yes — request a free trial class
- Who teaches it?
- Farhat ul Ain Sehgal · Nouman Ahmed
- Are resources available?
- Yes — 104 published
- Is enrolment open?
- Enquire to join — no online enrolment yet
- Official specification
- AQA specification
- Topic checklist
- Printable 7405 checklist
- Where was this verified?
- 2026-08-21, official AQA specification
Compiled and maintained by the Marlbridge Academic Team, checked against the official AQA specification on 2026-08-21.
Spotted something wrong on this page? Report an error — see the corrections policy.
The qualification
AQA A-level Chemistry (7405)
Marlbridge's summary of the course
AQA A-level Chemistry develops learners' understanding of chemical concepts, principles and skills in physical, inorganic and organic chemistry.
The board's own description is on the official AQA syllabus page.
For teaching from September 2015. Three broad strands (Physical, Inorganic, Organic chemistry) with AS-shared and A-level-only sections.
Specifications change between examination series. Always confirm the current syllabus and assessment structure on the AQA syllabus page for your examination year.
Assessment structure
Linear qualification
| Component | Duration | Marks | Weighting | Type |
|---|---|---|---|---|
| 7405/1: Paper 1 | 2h | 105 | 35% | Written exam |
| 7405/2: Paper 2 | 2h | 105 | 35% | Written exam |
| 7405/3: Paper 3 | 2h | 90 | 30% | Written exam |
Source: official AQA specification, verified 2026-08-28. Directly confirmed against the official AQA specification-at-a-glance page: linear, not tiered, three written papers. Paper 1 (relevant physical chemistry sections 3.1.1-3.1.4/3.1.6-3.1.8/3.1.10-3.1.12, plus inorganic chemistry section 3.2, plus relevant practical skills): 2h/105marks/35% of A-level, short and long answer questions. Paper 2 (relevant physical chemistry sections 3.1.2-3.1.6/3.1.9, plus organic chemistry section 3.3, plus relevant practical skills): 2h/105marks/35%, short and long answer questions. Paper 3 (any content, any practical skills): 2h/90marks/30% – 40 marks practical techniques and data analysis, 20 marks questions testing across the specification, 30 marks multiple choice. Total 300 marks. First teaching September 2015, first A-level assessment June 2017.
Questions about this course
How is AQA Chemistry (7405) assessed?
AQA Chemistry (7405) is assessed through: 7405/1 (Paper 1) — 2h, 105 marks, 35% of the qualification; 7405/2 (Paper 2) — 2h, 105 marks, 35% of the qualification; 7405/3 (Paper 3) — 2h, 90 marks, 30% of the qualification. It is a linear qualification. Source: official AQA specification, verified 2026-08-28.
What topics does AQA A Level Chemistry (7405) cover?
34 topics in the current syllabus: Atomic structure; Amount of substance; Bonding; Energetics; Kinetics; Chemical equilibria, Le Chatelier's principle and Kc; Oxidation, reduction and redox equations; Thermodynamics; Rate equations; Equilibrium constant Kp for homogeneous systems; Electrode potentials and electrochemical cells; Acids and bases; Periodicity; Group 2, the alkaline earth metals; Group 7(17), the halogens; Properties of Period 3 elements and their oxides; Transition metals; Reactions of ions in aqueous solution; Introduction to organic chemistry; Alkanes; Halogenoalkanes; Alkenes; Alcohols; Organic analysis; Optical isomerism; Aldehydes and ketones; Carboxylic acids and derivatives; Aromatic chemistry; Amines; Polymers; Amino acids, proteins and DNA; Organic synthesis; Nuclear magnetic resonance spectroscopy; Chromatography. The printable topic checklist lists every topic and subtopic on one page.
Can I get a tutor for AQA A Level Chemistry (7405)?
Yes. Marlbridge teaches AQA A Level Chemistry (7405) live online, one-to-one or in small groups, taught by a named subject teacher from its academy in Lahore, Pakistan. The first trial class is free.
Are there free AQA A Level Chemistry (7405) revision notes and practice questions?
Yes. Marlbridge has published 104 free resources for this course (study guides, practice questions, revision notes, exam preparation guides), free to read with no sign-up.
The subject
Chemistry teaching and study resources, organised by level and topic.
Chemistry at other qualifications
These are separate qualifications with different syllabuses and assessments — not different names for the same course. Check which one your school enters you for.
- Pearson Edexcel IGCSE Chemistry Syllabus 4CH1
- AQA GCSE Chemistry Syllabus 8462
- OCR GCSE Chemistry Syllabus J248
- OxfordAQA IGCSE Chemistry Syllabus 9202
- Cambridge IGCSE Chemistry Syllabus 0620
- Cambridge O Level Chemistry Syllabus 5070
- International Baccalaureate IB Diploma Programme Chemistry Syllabus DP Chemistry
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