Protons and neutrons are in the nucleus (the center of an atom), but electrons are not.
Answer:
lead sulfate.
Explanation:
Lead and lead dioxide, the active materials on the battery's plates, react with sulfuric acid in the electrolyte to form lead sulfate. The lead sulfate first forms in a finely divided, amorphous state and easily reverts to lead, lead dioxide, and sulfuric acid when the battery recharges
Se02 is the formula for selenium dioxide, hope this helped.