It a book-compendium is really unique edition, practically all base course of chemistry is here presented in fact. Atoms and molecules, chemical elements and laws, formulas and equalizations, types of chemical reactions, solutions and mixtures, valency and chemical connection, oxidization and renewal, catalysts and inhibitors, inorganic and organic substances - all, that will help to master the elements of chemistry you, contained on these pages.It should be noted that very comfortably designed book : all important concepts and basic rules are distinguished by a type or color, here are explaining pictures and charts. Material is given shortly, but capaciously, maximum clear and interestingly, escorted by the great number of examples and facts. And to fasten and check gain knowledge, at the end of every division there is a block with tasks for самопроверки.For middle and senior school age.