Ionic bonds are formed when atoms become ions by gaining or losing electrons. Chlorine is in a group of elements having seven electrons in their outer shells (see Figure 6). Members of this group tend to gain one electron, acquiring a charge of -1.
Between the community campuses and the main Anchorage campus, over 20,000 undergraduate, graduate, and professional students are currently enrolled at UAA. This makes it the largest institution of higher learning in the University of Alaska System, as well as the state.
In 2013, the five postsecondary institutions with the highest enrollment were University of Phoenix, Online Campus, with 212,000 students; Ivy Tech Community College, with 98,800 students; Liberty University, with 77,300 students; Miami Dade College, with 66,300 students; and Lone Star College System, with 64,100 students.