Lewis and the Br˝nsted-Lowry theories of acid-base chemistry. The Lewis theory is the broadest and is discussed rst. 12.1 Lewis Acids and Bases Introduction The broadest de nition of acids and bases is that of Lewis. By this de nition, a large number of reactions can be classi ed as acid-base reactions.
Need help with your chemistry? Visit www.chemfiesta.com! Lewis Structures Practice Worksheet Draw the Lewis structures for the following compounds: 1) PBr 3 2) N 2H 2