2 A2/A-level Chemistry resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter A2/A-level SubjectClear filter Chemistry Exam board OCR TopicClear filter Group 2 Halogens Qualitative Analysis Reactions Reactivity Trends Resources Crossword Flashcards Multi-tool Presentation Quizsearch Reactivity Trends A2/A-level, Chemistry Presentation 5.0 / 5 colour of halogens A2/A-level, Chemistry 15 flashcards Search again