For over a century, the Watts Dictionary of Chemistry has been the go-to reference for students and professionals in the field. This comprehensive guide covers all aspects of chemistry, from basic principles to the latest breakthroughs. With clear explanations and up-to-date information, it is an essential resource for anyone working in this field. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.