Chemical elements. A popular illustrated guide

The atom of iron in the human blood is synthesized in the bowels of stars, solid hydrogen is a light solid substance, and 3,500 proteins are formed in one cell. 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 consists in the world.
Ilya Abramovich Leenson, a candidate of chemical sciences, a senior researcher at the Faculty of MSU, associate professor of the Higher Chemical College of the Russian Academy of Sciences, the author of scientific and popular science articles, books and teaching aids, described the biographies and characters of chemical elements