Answer: [tex]K^+[/tex] and [tex]SO_4^-^2[/tex]
Explanation: Potassium is a first group metal with one valence electron and so it has +1 charge. Sulfate ion is a polyatomic ion with -2 charge. The compound potassium sulfate has two potassium ions and one sulfate ion and the below equation shows how the ions are written when the compound is dissociated into its ions.
[tex]K_2SO_4\rightarrow 2K^++SO_4^-^2[/tex]