Chemical elements. The best illustrated guide. Leleson I.A.

Iron atoms in the human blood are synthesized in the bowels of stars, solid hydrogen - the lightest solid substance, and 3,500 proteins are formed in one cage. For 4000 years BC In ancient China, Indigo and Kermes were used, and in Egypt - copper. In the periodical table 7 periods, 18 groups and 118 elements, of which, as you know, everything is in the world.

biographies and characters of chemical elements were described by Ilya Abramovich Leenson (1945-2019)-candidate of chemicals, in The past senior researcher at the Faculty of Chemistry of Moscow State University, Associate Professor of the Higher Chemical College of the Russian Academy of Sciences, author of scientific and popular science articles, books and textbooks.