Created especially for the WJEC AS Level Chemistry specification being taught in Wales from September 2015 and written by experienced teachers and examiners, this student book is endorsed by WJEC. Designed to be motivating and student-friendly, this book will support you through every step of your course and help you thoroughly prepare for your exams. / Each topic includes detailed explanations and underpinning knowledge, all written in clear uncomplicated language. / Exam practice and skills guidance is provided for the new assessment objectives. / Maths techniques and skills are regularly tested throughout / Numerous questions, tests and tips help ensure you have a good grasp of the key content for each topic. / New requirements for practical work are clearly identified.