2 IGCSE Chemistry resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter IGCSE SubjectClear filter Chemistry Exam board Edexcel TopicClear filter Relative Formula Mass Resources Mindmap Revision Notes Relative Formula Mass IGCSE, Chemistry Mindmap 4.0 / 5 IGCSE Chemistry- Relative Formula Mass IGCSE, Chemistry Revision notes Search again