A. A positive anion and a negative cation
B. A positive cation and a positive anion
C. A negative anion and a negative anion n
D. A positive cation and a negative anion
Explanation: Ionic compounds are compounds composed of ions, charged particles that form when an atom (or group of atoms) gains or loses electrons. (A cation is a positively charged ion; an anion is a negatively charged ion.)