The main didactic outlines are as following: atomic structure and periodic table, stoichiometry. Inorganic nomenclature. Chemical equations: mass balance and charge; redox reactions. Mole. Limiting reagent. Concentration of solutions - molarity. Acids and bases. pH. Hydrolysis and buffers. Thermodynamics. Electrochemistry. Colligative properties of aqueous solutions. Some basic concepts of organic chemistry. Organic nomenclature. Stereochemistry. Carbohydrates. Proteins. Lipids. Nucleic acids.