Includes indexes.\v. 1. Hydrogen and the noble gases-- v. 2. Sodium and potassium-- v. 3. Calcium and magnesium-- v. 4. Iron, chromium and manganese-- v. 5. Copper, silver and gold-- v. 6. Zinc, cadmium and mercury-- v. 7. Aluminum-- v. 8. Carbon-- v. 9. Silicon-- v. 10. Lead and tin-- v. 11. Nitrogen and phosphorus-- v. 12 Oxygen-- v. 13. Sulphur-- v. 14. Chlorine, fluorine, bromine, and iodine-- v. 15. Uranium and other radioactive elements.