Here's why:
* Ionic bonds are the electrostatic forces of attraction between oppositely charged ions. They occur *between* two or more atoms.
* Silver ions are single, charged species. They are formed when a silver atom loses an electron.
Think of it this way:
* An ionic bond is like a marriage between two ions.
* A silver ion is like a single person, ready to get married (form an ionic bond) to a suitable partner.
Examples of ionic bonds:
* Sodium chloride (NaCl): Sodium ions (Na+) and chloride ions (Cl-) are held together by an ionic bond.
* Calcium oxide (CaO): Calcium ions (Ca2+) and oxide ions (O2-) are held together by an ionic bond.
Silver ions can participate in ionic bonds. For instance, they can form an ionic bond with a chloride ion to create silver chloride (AgCl). But the silver ion itself isn't the bond; it's one of the participants in the bond.