Commodity Code


definition Lead is a chemical element in the carbon group with symbol Pb and atomic number 82. Lead is a soft and malleable metal, which is regarded as a heavy metal and an other metal. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed to air. more like this
notation more like this
Pb more like this
source more like this
broader base metal
narrower lead
in scheme commodity code
is primary topic of lead