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 AQA OCR TopicClear filter Group 2 and 7 elements Tests for Ions Resources Flashcards Multi-tool Tests for Ions Revision A2/A-level, Chemistry 14 flashcards Tests for Ions A2/A-level, Chemistry 7 flashcards Search again