This collection of questions, tasks and calculation problems will help students learn the basic laws of general and inorganic chemistry and compare the properties of elements and their compounds. The material is structured according to the topics of seminars in accordance with the standards of the educational program for classical universities and is supplemented by examples of control and examination tasks. The presented textbook is an integral part of the educational and methodological set, including a textbook and workshop, written by employees of the Department of Inorganic Chemistry, Faculty of Chemistry, Moscow State University named after M.V. Lomonosov edited by prof. A.V. Shevelkova.