If we create a fuel cell of oxygen gas, what can we get when we combine?

the electrical  conductivity  of asolution  of an electrolyte is measured by determining the resistance of thesolution  between two flat or cylindrical electrodes separated by a fixed distance.

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter