This title is based on content from the "McGraw-Hill Concise Encyclopedia of Science & Technology, 5/e", the most widely used and respected science reference of its kind in print. It features: detailed, well-illustrated explanations, not just definitions; hundreds of concise yet authoritative articles on chemistry; an easy-to-understand presentation, accessible and interesting to non-specialists; and, a portable, convenient format. Bibliographies, appendices, and other information supplement the articles.