books.google.com - What is a chemical compound? Compounds are substances that are two or more elements combined together chemically in a standard proportion by weight. Compounds are all around us - they include familiar things, such as water, and more esoteric substances, such as triuranium octaoxide, the most commonly...http://books.google.com/books/about/The_One_Hundred_Most_Important_Chemical.html?id=MwpQWcIKMzAC&utm_source=gb-gplus-shareThe One Hundred Most Important Chemical Compounds
