Chemistry is a magic science! It is magical without any exaggeration, since it studies the transformation of some substances into others, describes their structure and composition, explains the laws to which all elements on earth obey. Because of this, chemistry is considered a complex science, difficult to understand, requiring diligent cramming - although in fact this is not at all the case. In fact, chemistry is extremely logical, everything happens in it in accordance with the laws. And if you know the rules, then you don't need to cram anything! In this book we will get acquainted with both the basic concepts of chemistry and interesting features of its practical application, learn how to read chemical reactions and learn the basic chemical laws. Do you want to understand one of the most complex sciences of the modern world and learn to understand how the elements around you change? Then forward - towards new knowledge and discoveries!