The Prisma Chemistry Student Book for the 9th and 10th grades offers a differentiated edition specifically designed for Lower Saxony. It contains newly formulated, easily understandable texts that help learners grasp complex chemical topics. The structure of the book allows for a step-by-step guide through each subject, promoting understanding. The basic pages provide fundamental knowledge, while the extra pages offer additional content for more advanced learners. At the end of each chapter, there are review and deepening exercises that also allow for self-assessment. The tasks are divided into three levels, ensuring that there is something suitable for all learners. The topics covered include atomic structure, chemical bonds, acids, bases, salts, as well as the role of hydrocarbons and plastics in chemistry.