Answer:
- An ion is a charged particle.
 - Ion may consist of a single charged atom or a group of atoms that have a net charge on them.
 - A negatively charged ion is called anion.
 - A positively charged ion is called cation.
 
For Example,
Sodium: Na⁺, Chloride: Cl⁻, Ammonium: NH₄⁺ Carbonate: CO₃²⁻
 
-TheUnknownScientist 72