The textbook presents a systematic course in inorganic chemistry. Consideration of all issues is based on modern ideas about the structure of the atom, the nature of the chemical bond, the structure of inorganic substances and the periodic law of D.I. Mendeleev. The material is presented at an accessible level, taking into account the previous training of students. The main text is supplemented with information related to the history of the development of individual ideas, modern scientific results, and the practical significance of the studied processes.