Written by renowned author Lawrie Ryan, this Illuminate Science Study Guide for the OCR A Level Chemistry Year 1 & AS is ideal for studying on the go. This is your chance to try it out for yourself - the topics Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, and Acids are available FREE.

• Flash cards summarise all the essential knowledge
• Drill deeper for more detailed revision notes as well as exam advice
• Quizzes and challenges test and reinforce knowledge and understanding
• Definitions for key terms can be accessed as you read the content
• Exam-style questions help further consolidate study and practise for the exams
• Contains as much information as a printed study guide but much more interactive

Change the way you study – wherever you want, whenever you want.