Theoretical subject focused on the acquisition of basic chemical concepts and general laws that apply in all chemical disciplines. Theory of chemical bonding, connections between the structure of substances and their properties. State states and systems of substances. Basic types of reactions, rate and balance of chemical reactions, equilibria in electrolyte solutions. Introduction to colloid chemistry and supramolecular structures. Exercises include chemical calculations, nomenclature of inorganic chemistry, an overview of the properties and basic reactions of metals and non-metallic elements.