Positive ions are called and negative ions are called
anions; cations
cations; anions

Positive ions are called cations, and negative ions are called anions. Positive ions are charged atoms or groups of atoms created by electron loss. They are called cations and are attracted to the cathode. Negative ions are charged atoms or groups of atoms created by electron gain. They are called anions and are attracted to the anode.

Amight be the answer