Question

What are ions give some examples?

Answer 1

Ion

• Ion is a charged species.
• It can possess a negative or positive charge on it.
• An anion possesses a negative charge, while a cation possesses a positive charge.
• Ions can be made up of a single charged atom or a collection of atoms with a net charge on them.

Examples

Cations and anions present in the compounds are as below.

Compound	Cation	Anion
CH3COONa	Na+ (sodium ion)	CH3COO- (acetate ion)
NaCl	Na+ (sodium ion)	Cl- (chloride ion)
H2	None	None
NH4NO3	NH4+ (ammonium ion)	NO3- (nitrate ion)