Metals are the most important and in many ways unique chemical elements. Almost all of them are characterized by such properties as good electrical conductivity, gloss, thermal conductivity. At the same time, separate groups can be distinguished among them, the characteristics of which will differ significantly. Some of these distinctive features formed the basis of such a concept as the "activity series of metals"
"Road" is a common Slavic word. Derived from an Indo-European noun meaning "space cleared in the forest." In modern Russian, the word "road" is used in various meanings. There are many synonyms for it. In today's article, we recall the main ones














