Answer and Explanation:
(a) MONATOMIC CATION: Monatomic cation are those cation in which only one atom is present
Example : [tex]Na ^+,Ca^2+[/tex]
(b) MONATOMIC ANION : Monatomic anion are those cation in which only one atom is present
Example : [tex]Cl^-,N^{3-}[/tex]
(C) Polyatomic Cation : Polyatomic cations are those cation which contains more than one atom
Example : [tex]NH_4^+,NO_3^-[/tex]
(C) Polyatomic Anion : Polyatomic anions are those cation which contains more than one atom
Example : [tex]SO_3^{2-}PO_4^{2-}[/tex]
