Almost all physics or engineering textbooks have a table of the SI units that are based on six fundamental quantities. The one that is listed for the quanity "electric current" is always "ampere". However, usually a few pages past this fundamental table lies a definition of the ampere. 1 ampere = 1 coulomb/second. This makes it sound more like a derived unit than a fundamental unit. It seems more likely that the fundamental quantity "electric current" should be replaced by the quantity "charge" and that the fundamental unit should be the coulomb. While amperes can be broken down into coulombs and seconds, the coulomb cannot be broken down (except to a specific count of electrons or protons). Why does there seem to be some contradiction between the definition of a fundamental quantity (a quantity that can't be described in terms of another quantity) and the definition of electric current? Why isn't charge along with the coulomb included in the fundamental quantities table?