There are six teaching topics and a practical skills topic:
* Indicates the inclusion of synoptic assessment.
Students must complete either the foundation tier (paper 1 and paper 2) or the higher tier (paper 3 and paper 4) to be awarded the OCR GCSE (9-1) in Chemistry A (Gateway Science).
Content is split into six teaching topics (C1–C6) and a practical activity skills topic (C7). Students develop conceptual understanding of chemistry and an understanding of the nature, processes and methods of science.
The topics are: