The presented material is designed as a study material for students of chemical fields of study and students of Chemistry Teaching for secondary and elementary schools. The study material is focused on understanding of general and inorganic chemistry topics. The individual chapters contain an overview of basic concepts related to the given issue and a set of solved tasks and examples that should contribute to the understanding of the given issue. An important part of each chapter is composed of a set of questions, tasks and examples suitable for practicing and mastering the given issue.