CARBON
Preparation—Allotropic forms: diamond, graphite, amorphous carbon, coke, mineral coal.—Carbon a reducing agent, a decolorizer, disinfectant, absorber of gases
CHAPTER XI
VALENCE
Poles of attraction—Radicals
CHAPTER XII
ELECTRO-CHEMICAL RELATION OF ELEMENTS
Deposition of silver; copper; lead—Table of metals and non- metals, and discussion of their differences