Chemistry and its importance.Chemistry and enviroment.Mass,its properties and
structure.Basic chemical terms.Chemical formulae and equations.Atom structure.
Atomic nucleus,electron cloud.Periodical system of elements.Chemical bond.
Matter properties.Solutions.States of matters.Energetical changes on chemical
reactions.Rate and equlibrium of chemical reactions. Elektrolytic
dissotiation. Exponent pH.Oxidation-reduction reaction. Electrochemical
processes.