DISCOVERED BY: Arsenic was discovered by Albertus Magnus in 1250 A.D. Arsenic was known since the ancient times, so the early Chinese, Greek and Egyptians mined this element.
http://www.chlive.org/dnemerofsky/elements/As/Arsenic.h...
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Although it is not certain where and when arsenic was actually discovered, credit for the discovery usually goes to alchemist Albert the Great (Albertus Magnus, 1193-1280). In 1250 A.D. he heated a common compound of arsenic, As2S3, with soap and formed nearly pure arsenic.
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www.carondelet.pvt.k12.ca.us/Family/Science/Nitrogen/ar...
www.carondelet.pvt.k12.ca.us/Family/Science/Nitrogen/arsenic.html
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History of Science question: When was Arsenic discovered? Albertus Magnus, a german scientist, found it in Germany in 1250. ... When exactly was arsenic discovered? Who and when were discovered arsenic? The exact date arsenic was discovered? When and where was arsenic discovered? Who and when did arsenic get discovered?
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wiki.answers.com/Q/When_was_Arsenic_discovered
wiki.answers.com/Q/When_was_Arsenic_discovered
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Arsenic - Wikipedia, the free encyclopedia
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Arsenic (pronounced /ˈɑrsnɪk/ , ARS -nik ; also /ɑrˈsɛnɪk/ , ar- SEN -ik when attributive) is the chemical element that has the symbol As , atomic number 33 and ato...
en.wikipedia.org/wiki/Arsenic
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The Element Arsenic - Basic Physical and Historical Information ... The Element Arsenic; [Click for Isotope Data] ... Arsenic and its compounds are poisonous. They have been used to make rat poison and some insecticides. Small amounts of arsenic are added to germanium to make transistors. Gallium arsenide (GaAs) can produce...
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education.jlab.org/itselemental/ele033.html
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Arsenic was discovered by Albertus Magnus (Germany) in 1250. The origin of the name comes from the Greek word arsenikon meaning yellow orpiment. It is steel-grey, brittle semi-metal. Resists water, acids and alkalis.
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www.ktf-split.hr/periodni/en/as.html
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