Insert numbers next to these steps to show the correct order of events for a fuel cell to work. (1 - first step, 5 – last step). At the anode, the Hy loses electrons and becomes H+. At the cathode, H+ ions combine with electrons and O2 to produce H20. Electrons (e) flow through the wire to produce electricity. Fuel (H) is pumped into the cell. H+ flows through the electrolyte to the cathode.​