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Created page with "== Introduction == Lead (Pb) is a chemical element with atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cut, lead is silvery with a hint of blue; it tarnishes to a dull gray color when exposed to air. Image:Detail-35715.jpg|thumb|center|A close-up of a piece of freshly cut lead, showing its silvery-blue color.|class=only_on_mobil..."