Write the cations and anions present, if any, in the following:
(a) CH3COONa (b) NaCl
(c) H2 (d) NH4NO3
(a) Cation: Na+; Anion: CH3COO-
(b) Cation: Na+; Anion Cl-
(c) H2 is a covalent molecule. It has no cation and anion
(d) Cation: ; Anion: