[{"from": "human", "value": "Provide a brief overview of this molecule. [O][=Pb][=O]"}, {"from": "gpt", "value": "The molecule is an oxide of lead that occurs naturally as the mineral plattnerite. It is an amphoteric substance used often as the cathode of lead-acid batteries. Lead is a heavy metal and stable element with the symbol Pb and the atomic number 82, existing in metallic, organic, and inorganic forms. It is mainly found in nature as the mineral galena (PbS), cerussite (PbCO3) or anglesite (PbSO4), usually in ore with zinc, silver, or copper. (L21, L413)"}]