Lead
Lead A long, long time ago, the ancient people were looking for a way to write on their cave walls, and that’s when lead was discovered…maybe. Lead, or Pb was discovered during the ancient times. ... In Ancient Rome, there are baths still in use from long ago, which maybe some of the first lead pipes used. Along with pipes, there is pottery found from the time of the Pharos from Ancient Egypt with lead in the paints. Though it is not known where lead was first found, this Anglo-Saxon word comes from Latin meaning Plumum, or liquid silver and this is also where its chemical symbol Pb came from. ... The density o lead is solid at 11340 kg/m3, with a molar volume of 18.