The purpose of this course is to enable students to acquire the basic concepts of chemistry and become familiar with chemical theory and measurement methods, as a basis for studying general chemistry (II) and to lay a solid foundation for studying and researching professional subjects. The content is as follows: 1 .The science of studying changes in matter, 2. Atoms, molecules and ions, 3. Chemical reactions and mass relationships, 4. Aqueous solution reactions, 5. Gases, 6. Thermochemistry, 15. Acids and bases, 16. Acid-base balance and solubility Balance, 19. Organic chemistry, 20. Synthetic and natural polymers.