Chemistry 3.2.3 Group 7, the Halogens — Revision Notes

Clear revision notes for both subtopics: the core notes with every diagram, and a “How confident am I?” self-check against the specification. Want practice questions with answers? See Revision Notes + Practice.

AQA A-Level Chemistry · Revision notes · Free · PDF

  1. 3.2.3.1 Trends in Properties of the Halogens
  2. 3.2.3.2 Uses of Chlorine and Chlorate(I)