Mass and its properties and structure. Basic chemical terms. States of matters. Structure of atom. Electron cloud. Chemical bond. Reaction kinetics. Energetical changes on chemical reactions. Dispersion systems. Electrolytes, electrolytic dissotiation. Oxidation-reduction reaction. Periodic system of elements. Hydrogen, oxygen, water, and air. Prevalent properties of non-metal elements and thier compounds. Carbon chemistry. Silikates. Metals, basic principles of production, properties and utilization of technically important metals and their compounds.