A-Level · Edexcel · Chemistry

Pearson Edexcel International A-Level Chemistry

Connect physical, inorganic and organic chemistry with quantitative and practical evidence in the correct IAS or IA2 stage.

Course hubs

Choose your course level

Choose a stage to open study resources

Question Bank, Mastery, Concept and Documents links become available after AS or A2 is selected.

Course at a glance

Edexcel IAL Chemistry at a glance

Edexcel International Chemistry is a six-unit modular qualification combining inorganic, organic, physical and practical chemistry.

Issue 1, September 2017
Current syllabus
7
syllabus groups
27
mapped topics
6 units
WCH11–WCH16, all externally assessed
Practical assessment
Units 3 and 6 assess practical skills through written examinations

SourcePearson Edexcel · Pearson Edexcel International Advanced Subsidiary/Advanced Level Chemistry specificationWCH11–WCH16 · Issue 1, September 2017·Past papersGrade boundaries

A-Level Edexcel Chemistry syllabus

Browse the complete Chemistry syllabus from the published knowledge tree.

Assessment

Edexcel IAL Chemistry assessment structure

IAS is Units 1–3. The full IAL is Units 1–6; units are externally assessed in January, June and October.

Paper / componentQuestionsTime% of grade
WCH11 Unit 1 Structure, Bonding and Introduction to Organic Chemistry80 marksSection A multiple choice; Section B short-open, open-response and calculation questions; minimum 18 Level-2+ mathematics marks.1 hour 30 minutes40% of IAS; 20% of IAL
WCH12 Unit 2 Energetics, Group Chemistry, Halogenoalkanes and Alcohols80 marksSection A multiple choice; Section B short/open/calculation/extended-writing questions; Section C contemporary-context question; minimum 18 Level-2+ mathematics marks.1 hour 30 minutes40% of IAS; 20% of IAL
WCH13 Unit 3 Practical Skills in Chemistry I50 marksPractical procedures and techniques from Units 1–2; short-open, open-response and calculation questions; minimum 6 Level-2+ mathematics marks.1 hour 20 minutes20% of IAS; 10% of IAL
WCH14 Unit 4 Rates, Equilibria and Further Organic Chemistry90 marksSection A multiple choice; Section B short/open/calculation/extended-writing questions; Section C data or calculation question; synoptic Units 1–2 may be assessed; minimum 22 Level-2+ mathematics marks.1 hour 45 minutes40% of IA2; 20% of IAL
WCH15 Unit 5 Transition Metals and Organic Nitrogen Chemistry90 marksSection A multiple choice; Section B short/open/calculation/extended-writing questions; Section C contemporary-context question; synoptic Units 1, 2 and 4 may be assessed; minimum 18 Level-2+ mathematics marks.1 hour 45 minutes40% of IA2; 20% of IAL
WCH16 Unit 6 Practical Skills in Chemistry II50 marksPractical procedures and techniques from Units 4–5; short-open, open-response and calculation questions; minimum 6 Level-2+ mathematics marks.1 hour 20 minutes20% of IA2; 10% of IAL

SourcePearson Edexcel · Pearson Edexcel International Advanced Subsidiary/Advanced Level Chemistry specificationWCH11–WCH16 · Issue 1, September 2017

Edexcel IAL Chemistry questions

EduNinja's AS context maps to IAS Units 1–3, while A2 maps to IA2 Units 4–6 used to complete the International A Level.

Yes. The qualification is organized into six externally assessed units rather than a single linear exam route.

The IAS and IA2 stages contain different units, syllabus scope and assessments, so selecting AS or A2 keeps every resource URL unambiguous.

The page follows Pearson Edexcel International Advanced Level Chemistry 2018 and the configured EduNinja offering.

Choose your route

Continue with your course level

Open the level that matches your syllabus to keep its topics, questions and study resources together.