USA generally admits students with: a minimum ACT score of 19 or. a minimum SAT (Critical Reading + Math only) score of 900 (if taken prior to March 2016) or. a minimum SAT (Evidence-Based Reading and Writing + Math only) score of 980 (if taken March 2016 or after) and. a minimum GPA of 2.50.
Ionic compounds are compounds composed of ions, charged particles that form when an atom (or group of atoms, in the case of polyatomic ions) gains or loses electrons. 1  A cation is a positively charged ion.  An anion is a negatively charged ion.
Ionic and Molecular Compounds. â¢ An ionic compound consists of oppositely. charged cations and anions. Usually the. cation is a metal and the anion is a nonmetal or. a group of nonmetals. (ie, NaCl) â¢ A molecular compound consists of two or. more different nonmetals.