2 A2/A-level resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter A2/A-level Subject Chemistry Exam board OCR TopicClear filter Group 2 Halogens Qualitative Analysis Reactions Reactivity Trends Resources Document Presentation Reactivity Trends A2/A-level, Chemistry Presentation 5.0 / 5 OCR A Level Chemistry Revision Sheet Chapter 8 Reactivity Trends A2/A-level, Chemistry Document Search again