4 AS resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter AS Subject Chemistry Exam board AQA Edexcel OCR TopicClear filter Acids, bases and salts Bonding & shapes Calculations Functional Groups Intermolecular forces Redox The Periodic Table organic chemistry periodicity Resources Causes and effects table Flashcards Grid Mindmap Multi-tool Presentation PERIODICITY AS, Chemistry Mindmap 4.5 / 5 Chemistry as Module 2 2016 spec AS, Chemistry Presentation Atomic radius DECREASES ACROSS a PERIOD AS, Chemistry Grid Periodicity (organic chemistry) AS, Chemistry 24 flashcards Search again