CONTENTS

1. Work in a Laboratory and Technique of an Experiment

2. Purification of Substances

3. Determination of Molecular and Atomic Masses and of Chemical Equivalents

4. Oxygen

5. Hydrogen

6. Rate of Chemical Reactions

7. Chemical Equilibrium

8. Solutions

9. Electrolytic Dissociation

10. Electrochemical Properties of Solutions

11. Halogens. Preparation and Properties

12. Sulphur, Selenium, Tellurium

13. Nitrogen

14. Phosphorus

15. Carbon

16. The Colloidal State of Substances

17. Silicon

18. Boron

19. Alkali Metals

20. Beryllium, Magnesium, Calcium, Strontium, Barium

21. Aluminium

22. The Rare-Earth Elements

23. Titanium, Zirconium, Hafnium

24. Vanadium, Niobium, Tantalum

25. Chromium, Molybdenum, Tungsten, Uranium

26. Manganese

27. Iron, Cobalt, Nickel

28. Copper, Silver, Gold

29. Zinc, Cadmium, Mercury

30. Tin, Lead

31. Arsenic, Antimony, Bismuthv