Edexcel IAL Chemistry AS + A2

Edexcel IAL Chemistry Notes

Two books, six units — every calculation worked, every past-paper answer modelled, Unit 6 practical covered in full.

IAL Chemistry demands precision. These notes split into an AS book (Units 1–3, WCH11–WCH13) and an A2 book (Units 4–6, WCH14–WCH16). Best value is the four-book A-Level bundle across both subjects — or buy the stage you are sitting.

See the best-value bundle — $60

See inside the book

Digital eBooks · Instant online access · Phone, tablet and computer · Updated when the syllabus changes

Edexcel IAL AS Chemistry (Units 1–3) and A2 Chemistry (Units 4–6) Complete Notes eBooks tied together with a gold gift ribbon

20,000+ copies sold in 2025 40+ countries 21+ years teaching 5 published textbooks

Is this the right book for you?

Board: Edexcel International A Level
AS book: Units 1–3 · WCH11–WCH13
A2 book: Units 4–6 · WCH14–WCH16
Practical: Full Unit 6 support

AS students need the Units 1–3 book; A2 students need Units 4–6; full A Level uses both. Not your syllabus? Use the book finder.

Best value $60 $100 Save $40

Four-book A-Level bundle — all four Biology and Chemistry books (AS + A2, six units each subject) for the biggest saving.

Get all four books — $60

See all options

Precision wins IAL Chemistry

IAL Chemistry rewards exactness — these notes train it, unit by unit

The difference between a B and an A in IAL Chemistry is usually precision: the right condition, the right observation, the right step in a calculation. Each unit book is built to make your answers that precise.

Pick your stage

AS book for Units 1–3, A2 book for Units 4–6 — matched to the papers you sit.
Work the calculation

Every calculation type is solved step by step, so you can reproduce the method exactly.
Model the answer

Worked past-paper questions show precisely which conditions and observations earn each mark.
Master Unit 6

Full practical support for Unit 6 — every experiment, method and expected result.

Built for the exam

What makes these IAL Chemistry notes score

Organised by unit

Content follows WCH11–WCH16 exactly, so revision maps to the papers you sit.

Stepwise calculations

Every calculation type worked line by line, units carried through.

Worked past-paper questions

Real question structures modelled so you see exactly what earns each mark.

Full Unit 6 practical

Every practical with method, apparatus and expected results.

Traps matrix

The precise conditions and observations students forget, flagged in place.

Quizzes & flashcards

Active recall per unit so the exact wording sticks.

See inside

Watch the walkthrough, then flip the pages

Sample — A2 Chemistry (Units 4–6). The AS Chemistry book follows the same design and teaching approach.

Get your copy

Best value: all four books — or choose your Chemistry stage

Doing the full A Level across both subjects? The four-book bundle saves the most. Doing Chemistry only? The AS + A2 pair covers all six units. Or buy just the stage you are sitting.

All four Edexcel IAL Biology and Chemistry Complete Notes eBooks (AS and A2) tied together with a gold gift ribbon

Best value Save $40

Four-book A-Level bundle

All four AS + A2 books across Biology and Chemistry — twelve units in one purchase.

AS Chemistry — WCH11–WCH13
A2 Chemistry — WCH14–WCH16
AS Biology — WBI11–WBI13
A2 Biology — WBI14–WBI16

$60 $100 Save $40

Get all four books — $60

Edexcel IAL AS Chemistry and A2 Chemistry Complete Notes eBooks tied together with a gold gift ribbon

Full A-Level Chemistry Save $10

AS + A2 Chemistry pair

Both Chemistry books — all six units (WCH11–WCH16) for the complete A Level.

AS Chemistry — Units 1–3 (WCH11–WCH13)
A2 Chemistry — Units 4–6 (WCH14–WCH16)

$40 $50 Save $10

Get both Chemistry books — $40

Or buy a single Chemistry stage

Edexcel IAL AS Chemistry Complete Notes eBook (Units 1–3) shown on a laptop and tablet

WCH11–WCH13

AS Chemistry — Units 1, 2 & 3

Structure & bonding, energetics & organic, and the practical skills paper — written for AS.

$25

Covers the three AS units.

Get the AS book — $25

Edexcel IAL A2 Chemistry Complete Notes eBook (Units 4–6) shown on a laptop and tablet

WCH14–WCH16

A2 Chemistry — Units 4, 5 & 6

Rates & equilibria, transition metals & organic, and full Unit 6 practical support — written for A2.

$25

Covers the three A2 units, including Unit 6.

Get the A2 book — $25

Format:: eBook — phone, tablet and computer
Access:: online, straight after purchase
Updates:: revised when the specification changes

Edexcel IAL AS Chemistry Units 1–3 classified past papers 2019–2026

OPTIONAL COMPLETE COURSE

Need guided teaching for Units 1–3?

The eBook is a complete standalone revision resource.

The AS Chemistry eBooks are complete standalone revision resources. The AS course adds full video teaching, guided calculations, solved past papers, Unit 3 practical preparation, quizzes and structured exam support.

Full AS video lessons
Guided calculation teaching
Solved past-paper walkthroughs
Unit 3 practical preparation

Explore the IAL AS Chemistry Course

Your eBook remains a complete resource. The course is an optional additional level of teaching and support.

IAL Chemistry students

What IAL Chemistry students report

IAL AS Chemistry

“What I love most is that these notes are actually kept up to date. My friend used a resource from a previous year and half the content was wrong. These are current, correct and concise.”

Layla Al-Harbi · Kuwait

IAL AS Chemistry

“IAL Chemistry questions are very precise, and these notes train you to be just as precise. I know which conditions, observations and explanations must appear.”

Rojda Kaplan · Turkey

IAL Biology & Chemistry

“These notes taught me how to write the answers, not just what the topic was about. The language matches the mark scheme perfectly.”

Amirah Binti Zulkifli · Malaysia

IAL AS Bundle

“Using the same clean format for AS Biology and Chemistry made switching between subjects much easier. I always knew where to find definitions, processes and exam wording.”

Wissa Wassef · Egypt

All eBooks

“Before this eBook I understood the notes but froze when I opened a full paper. The worked structure and exam-focused wording helped me make that jump.”

Luca Baumgartner · Switzerland

Hosni, the science author and examiner who writes the Chem-Bio eBooks

Written by Hosni

Edexcel IAL Chemistry is taught in these books by the same teacher who wrote them: 21+ years teaching these exact syllabuses, 9 years writing the books, 5 published textbooks — and 20,000+ copies sold yearly across 40+ countries.

Before you choose

Edexcel IAL Chemistry questions

If you are sitting Units 1–3 (WCH11–WCH13) this year, get the AS book. If you are sitting Units 4–6 (WCH14–WCH16), get the A2 book. For the full A Level you need both.

Yes. The A2 book includes full Unit 6 practical support — every experiment with method, apparatus and expected results in mark-scheme wording.

Yes. Every calculation type across all six units is solved step by step, with units carried through so you can copy the method.

Yes. Each book covers its three units in full, exam-focused form, with worked past-paper questions, quizzes and flashcards.

Yes — matched to the current Edexcel IAL Chemistry specification and revised whenever it changes.

The complete Chemistry collection covers AS units WCH11, WCH12 and WCH13 and A2 units WCH14, WCH15 and WCH16. Students can navigate directly to the unit they are studying rather than searching through one very large general textbook.

Yes, where those purchase options are shown. This allows students to select the stage that matches their current examination plan while keeping one consistent explanation and calculation style across all six units.

Individual-unit options may be offered where indicated on the purchase panel. This is particularly useful for students preparing for a resit or needing focused support with one demanding unit.

Worked questions show the complete route from reading the question to earning the marks. Students can see how information is selected, which principle or equation is required, how calculations are organised and how the final answer should be written.

Yes. Calculation workflows cover areas such as moles, titrations, energetics and rates. The steps highlight rearrangement, signs, units, significant figures and interpretation, helping students build a method that remains reliable when the question looks unfamiliar.

Unit 6 support covers the eight core practicals, relevant techniques, expected results and the ways practical understanding may be tested. Students learn not only what was done in the laboratory but why each step, control or measurement matters.

Yes. Students are guided through practical limitations, uncertainty, reliability, improvements and the relationship between experimental evidence and conclusions. This helps them avoid vague suggestions such as simply saying “repeat the experiment” without explaining the benefit.

Related reactions are organised so students can compare reagents, conditions, products, observations and mechanisms. This makes it easier to see reaction pathways as a connected system instead of memorising each equation separately.

Yes. The notes identify errors involving signs, units, command words, incomplete explanations, missing conditions and imprecise definitions. These reminders help students recognise why an apparently strong answer may still lose one or two marks.

Yes. Repeating papers without diagnosing mistakes can lead to the same errors appearing again. The book helps students classify each lost mark as a knowledge gap, calculation problem, practical misunderstanding, terminology issue or examination-technique error before returning to further practice.

The books are organised around the current Edexcel International A Level specification and the relevant paper patterns for the edition shown on the product page. Students should select the edition that matches their examination period.

They are designed to provide the content, methods and exam-focused explanations students need for systematic revision. They should be combined with the official specification, school teaching and timed past-paper practice to create a complete preparation programme.

Access is available for two years from the date of purchase for the Chemistry option purchased. Students can revisit calculations, practical work and earlier units throughout their study and revision period.