Lead

One of the elements a heavy pliable inelastic metal having a bright bluish color but easily tarnished It is both malleable and ductile though with little tenacity and is used for tubes sheets bullets etc Its specific gravity is 1137 It is easily fusible melting point 3275deg C forms alloys with other metals and is an ingredient of solder and type metal Atomic number 82 Atomic weight 2072 Symbol Pb L Plumbum It is chiefly obtained from the mineral galena lead sulphide