The given compound is ammonium sulfate, \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\).
Step 2: Determine the Ions
Ammonium sulfate dissociates into its constituent ions in water. The compound consists of two ammonium ions \(\mathrm{NH}_{4}^{+}\) and one sulfate ion \(\mathrm{SO}_{4}^{2-}\).