Moscow: MITHT . M. In. Lomonosov, 2005. 25 s. Intended for students of the full-time department of MITHT . M. In. Lomonosov, students in the direction of 550800 "Chemical technology and biotechnology" . This tutorial is recommended for students of the 3rd and 4th courses of the basics of silicone compounds chemistry, the advantages that they have over organic products, acquaintance with some areas of their applied use. The main classes of organosilicon compounds are considered, some data concerning the structure and properties of elements of group IV of the periodic system of elements D. are given. and . Mendeleev . A list of necessary data for self-preparation of students for seminars, credits and exams is presented .