Guide overview · All topics · Sample questions · Papers and weighting · Look inside · Questions and answers

What each AQA GCSE Combined Science Trilogy Chemistry, Foundation tier paper assesses

AQA GCSE Combined Science: Trilogy (specification 8464) is worth two GCSEs and is examined by six papers, two for each science, each 1 hour 15 minutes and 70 marks. The chemistry content is sat as Chemistry Paper 1 and Chemistry Paper 2, together a third of the qualification. Chemistry Paper 2 questions can also draw on the fundamental ideas of atomic structure, bonding and quantitative chemistry. This is the Foundation tier: grades 5-5 to 1-1 are available, and the higher-tier content is not examined.

Every topic, and where it is examined

Topic	Examined on	Questions
Atomic Structure and the Periodic Table	Chemistry Paper 1	188
Bonding, Structure, and the Properties of Matter	Chemistry Paper 1	171
Chemical Analysis	Chemistry Paper 2	51
Chemical Changes	Chemistry Paper 1	132
Chemistry of the Atmosphere	Chemistry Paper 2	115
Energy Changes	Chemistry Paper 1	47
Organic Chemistry	Chemistry Paper 2	84
Quantitative Chemistry	Chemistry Paper 1	58
The Rate and Extent of Chemical Change	Chemistry Paper 2	96
Using Resources	Chemistry Paper 2	97

Assessment details from the AQA GCSE Combined Science: Trilogy 8464, version 1.2, August 2026. AQA specification.

AQA GCSE Combined Science Trilogy Chemistry, Foundation tier Active Recall Guide

1,039 questions across every paper on the specification.

£7 GBP

Get the guide

Digital PDF, sent to the email address on your order.