Ions /ˈaɪ.ɒn/ (Greek: ion – moving, moving) – charged particles; formed when an atom or group of atoms (molecules, radicals, etc.) gains or loses an electron (or charged particle). “I.” English scientist M. Faraday was the first to apply the concept and term in 1834.
Ex.Ions, charged particles formed when atoms gain or lose electrons, play a crucial role in various chemical reactions and electrical conductivity in solutions.