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Below is a list of all of the known elements, who they were discovered by and the year they were discovered. Some elements, such as gold, silver and iron, have been known since ancient times, so it is impossible to credit a single person for their discovery. ... Element Name Discovered By Year ... Lead Known since ancient times ?
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education.jlab.org/qa/discover_ele.html
education.jlab.org/qa/discover_ele.html
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The Element Chromium; ... Chromium was discovered by Louis-Nicholas Vauquelin while experimenting with a material known as Siberian red lead, also known as the mineral crocoite (PbCrO4), in 1797. He produced chromium oxide (CrO3) by mixing crocoite with hydrochloric acid (HCl). Although he believed a method for...
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education.jlab.org/itselemental/ele024.html
education.jlab.org/itselemental/ele024.html
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Lead has been commonly used for thousands of years because it is widespread, easy to extract and easy to work with. It is highly malleable and ductile as well as easy to smelt. Metallic lead beads dating back to 6400 B.C. have been found in...
http://answers.yahoo.com/question/index?qid=20091119151...
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Pb was discovered in ancient times, and therefor has no known discoverer.
http://answers.yahoo.com/question/index?qid=20081215142...
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ScienceLab.com periodic table page for lead element information. ... Diagnostic tests: With soda (Na2CO3) on charcoal a malleable globule of metallic lead is obtained from lead compounds, the coating has a yellow color near the assay, the sulfide gives also a white coating (PbSO3) further away.
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www.sciencelab.com/data/elements/Pb.shtml
www.sciencelab.com/data/elements/Pb.shtml
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§ other, safer antiknock additives--used to increase gasoline octane and counter engine "knock"--were known and available to oil companies and the makers of lead antiknocks before the lead additive was discovered, but they were covered up and denied, then fought, ... An internal GM report that year stated ominously,
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www.mindfully.org/Pesticide/Lead-History.htm
www.mindfully.org/Pesticide/Lead-History.htm
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This WebElements periodic table page contains Essential information for the element lead ... Brief description: lead is a bluish-white lustrous metal. It is very soft, highly malleable, ductile, and a relatively poor conductor of electricity. It is very resistant to corrosion but tarnishes upon exposure ... Element properties...
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www.webelements.com/webelements/elements/text/Pb/hist.h...
www.webelements.com/webelements/elements/text/Pb/hist.html
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Element 118 and its immediate decay product, element 116, were discovered at Berkeley Lab's 88-Inch Cyclotron by bombarding targets of lead with an intense beam of high-energy krypton ions. ... Referring to these results, discovery-team member Hoffman said, "After a 30-year search, this discovery is extremely gratifying.
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www.sciencedaily.com/releases/1999/06/990608071804.htm
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Plumbum, Latin word for this element ... During the excavations of the city of Ashur a Lead chunk of 400 kilograms was discovered, which dates from 1300 BC. In the Ebers Papyrus, an Egyptian compendium of medicin, dated at around 1550 BC, Lead is mentioned.
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www.vanderkrogt.net/elements/elem/pb.html
www.vanderkrogt.net/elements/elem/pb.html
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