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INSTRUCTIONS FOR USE OF THE INTRODUCTION BOOK Lesson 1. Introductory Chemistry CHAPTER 1. STRUCTURE OF AUTOMATICS Lesson 2. Composition of Atoms Lesson 3. Chemical Elements Lesson 4. Structure of the Electron Shells of Atoms CHAPTER 2. Periodic Table of Chemical Elements Lesson 5. Structure of the periodic table of chemical elements Lesson 6. Trends in changing some properties of atoms of elements, composition and some properties of compounds in a period and groups Lesson 7. Periodic law - Meaning of the periodic table of the chemical elements CHAPTER 3. CHEMICAL LINKS Lesson 8. Octet rule Lesson 9. Ionic bonding Lesson 10. Covalent bonding value Lesson 11. Hydrogen bonding and van der Waals interactions CHAPTER 4. Oxidation - Reduction Reactions Lesson 12. Oxidation - reduction reactions and applications in life CHAPTER 5. CHEMICALS ENERGY Lesson 13. Enthalpy formation and the enthalpy change of a chemical reaction Lesson 14. Calculating the enthalpy change of a chemical reaction CHAPTER 6. SPEED OF CHEMICAL REACTS Lesson 15. Reaction rate equations and reaction rate constants Lesson 16. factors affecting the rate of chemical reactions CHAPTER 7. GROUP VIIA - HALOGEN ELEMENTS Lesson 17. Physical and chemical properties of group VIIA single elements Lesson 18. Hydrogen halide and some reactions of halide ions EXPLAIN TERMS