Chemistry

OCR AS Chemistry gives comprehensive coverage of Units 1 and 2 of the OCR A-level specification. Each chapter explores the relevant specification content and includes a range of examples to equip students with the skills to succeed in the examination. An important feature of the specification is the inclusion of centre-based practical assessment (Unit 3). A chapter is included to provide a clear discussion of the skills required for tackling this component. OCR AS Chemistry includes the following special features: l examiner's notes -" invaluable content guidance and exam advice l worked examples -" detailed explanations of calculations and exam-type questions l review questions -" devised to assist knowledge and test understanding l summary worksheets -" to ensure that students have summary notes outlining key principles for each topic l stretch-and-challenge -" extension topics and questions at the end of each chapter provide some wider reading and more demanding problems to inform and challenge those students who may be intending to pursue chemistry to a higher level Answers to all review, extension and summary worksheet questions are provided in an accompanying Teacher Answer Guide, which is available for purchase by teachers.