The basic knowledge of chemistry in the areas of introduction, fundamentals, acids and alkalis, periodic table, electrochemical reactions and bonds is taken up. In 58 chapters are shown: hazard symbols, safety in experimentation, Bunsen burner, states of aggregation, distillation, valence, oxidation numbers, one mole, pH, main groups, ionic bonding, etc. Acquire the topics you want for a personal chemistry shelf step by step, choosing between the entire offer or individual chapters. The unlock