A-Level Chemistry Data Booklet 2026
(For Use from 2026)
This is the official Data Booklet for A-Level Chemistry (H1, H2, and H3), for use from 2026 in the theory papers for H1 Chemistry (8873), H2 Chemistry (9476) and H3 Chemistry (9813).
Open the official Chemistry Data Booklet (PDF)
It provides essential constants, formulae, and reference data required during the examinations — ensuring accuracy and consistency when answering calculation-based questions.
Students taking H1 Chemistry (8873), H2 Chemistry (9476) or H3 Chemistry (9813) from 2026 should familiarise themselves with this booklet early. Students taking H2 Chemistry (9729) in 2026 should use the separate booklet included in their official 9729 syllabus.
Data Booklet Chemistry A Level 2026
The 18 images below are previews. Use the official 20-page PDF linked above for the complete booklet. Select an image to open its original file.


















