Textbook in PDF format This textbook serves as an introduction to the field of chemistry, aimed at secondary school students, and it assumes no prior knowledge on the readers’ part. As an introductory text, the book emphasizes fundamental skills that are necessary for chemistry, and science generally. This includes an emphasis on good writing and a focus on problem solving, with problems incorporated throughout the text. To help prepare students to pursue chemistry further, all information presented is in accord with the International Union of Pure and Applied Chemistry’s style and technical guidelines and supported through citations to the primary literature. Introduction Matter and Change Measurement and Significant Figures Conversion Factors and Chemical Amounts Energy Atomic Structure Nuclear Change Electron Configurations Periodic Trends Chemical Formulae and Nomenclature Bonding Three-Dimensional Structure Intermolecular Interactions States and Physical Changes Describing and Quantifying Chemical Reactions Chemical Reactions: Electron Transfer and Electron Sharing