Which Ions Among Cl^-, Na⁺, NH₄⁺, and NO₃^- Will Move

Multiple Choice

Which ions among Cl^-, Na⁺, NH₄⁺, and NO₃^- will move toward a cathode?

A) only the chloride ions
B) only the sodium ions
C) both the chloride and nitrate ions
D) both the sodium and ammonium ions