'''Lead''' is a chemical [[element]] with the atomic number of 82. It is a dense metal which has been used for pipes, hence its symbol 'Pb', short for the [[Latin]] 'plumbum', or pipe. | '''Lead''' is a chemical [[element]] with the atomic number of 82. It is a dense metal which has been used for pipes, hence its symbol 'Pb', short for the [[Latin]] 'plumbum', or pipe. |