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Lead: Difference between revisions
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{{ | {{SeeWikipedia|Lead}} | ||
'''Lead''', symbol Pb (Latin plumbum, a lead weight), dense, bluish-gray metallic element that was one of the first known metals. Thousands of years since its discovery, humanity still uses the material in construction. The atomic number of lead is 82; the element is in group 14 (or IVa) of the periodic table. | '''Lead''', symbol Pb (Latin plumbum, a lead weight), dense, bluish-gray metallic element that was one of the first known metals. Thousands of years since its discovery, humanity still uses the material in construction. The atomic number of lead is 82; the element is in group 14 (or IVa) of the periodic table. | ||