4 resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevel IGCSE Subject Chemistry Exam board Edexcel TopicClear filter chemistry of the elements Resources Revision Notes The Periodic Table IGCSE, Chemistry Revision notes Group 1 (alkali metals) IGCSE, Chemistry Revision notes Group 1 (alkali metals) IGCSE, Chemistry Revision notes Group 7 (halogens) IGCSE, Chemistry Revision notes Search again