An lucht leictreach ar mhól (6.02 × 1023) leictreon, arb ionann é is 9.65 × 104 cúlóm. Ainmnithe as Michael Faraday. An lucht is gá chun mól ian airgid (108 g) a dhí-ocsaidiú san imoibriú Ag+ + e- → Ag.