[{"from": "human", "value": "What can you tell me about this molecule? [210Pb]"}, {"from": "gpt", "value": "The molecule 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. Lead is highly malleable and corrosion-resistant, with its use being traced back to ancient times. Inicidences of lead poisoning have also been documented in the ancient Greek, Roman, and Chinese societies. Lead-210 is a radioactive isotope of lead. (L21)"}]