The Discovery of Thallium; Thallium was discovered by Sir William Crookes in England in 1861.
http://www.periodic-table.org.uk/element-thallium.htm
|
Thallium was spectroscopically discovered in 1861 by English chemist, Sir William Crookes.
http://wiki.answers.com/Q/Who_discovered_Thallium
|
|
|
The Element Thallium - Basic Physical and Historical Information ... Thallium was discovered spectroscopically by Sir William Crookes, an English chemist, in 1861. Crooks had obtained the sludge left over from the production of sulfuric acid (H2SO4) from a friend.
|
education.jlab.org/itselemental/ele081.html
|
|
|
|
Sir William Crookes in London, England discovered Thallium spectroscopically in 1861. When it was discovered, no one knew of its existence, therefore no one was looking for it. Crookes was trying to retrieve Selenium from the byproducts of a commercial sulphuric acid.
|
web1.caryacademy.org/chemistry/rushin/StudentProjects/E...
web1.caryacademy.org/chemistry/rushin/StudentProjects/ElementWebSites/thallium/History%20of%20Thallium.htm
|
|
|
Thallium - Wikipedia, the free encyclopedia
|
|
Thallium (pronounced /ˈθæliəm/ , THAL -ee-əm ) is a chemical element with the symbol Tl and atomic number 81. This soft gray malleable poor metal resembles tin but discolors when exp...
en.wikipedia.org/wiki/Thallium
|
|
In 1861, William Crookes discovered a previously unknown element with a bright green emission line in its spectrum and named the element thallium, from the Greek thallos, a green shoot. Crookes also identified the first known sample of heli...
http://sawaal.ibibo.com/do-it-yourself/who-discovered-t...
|
|
|
Thallium was discovered by Wiliam Crookes a London chemist in 1861, writes John Emsley. Once a common pesticide for rats, thallium takes 14 days to work on humans. This was important for Graham Young, the 1970s serial poisoner who ...
|
www.encyclopedia.com/doc/1P2-4697862.html
|
|
|
Thallium was discovered by Sir William Crookes at 1861 in England. Origin of name: from the Greek word "thallos" meaning "green twig" or green shoot ... Thallium was discovered spectroscopically in 1861 by Crookes. The element was named after the green spectral line, which identified the element (Greek "thallos", green twig).
|
www.webelements.com/thallium/history.html
www.webelements.com/thallium/history.html
|
|
This WebElements periodic table page contains Essential information for the element thallium ... Brief description: when freshly exposed to air, thallium exhibits a metallic lustre, but soon develops a bluish-grey tinge, resembling lead in appearance. A heavy oxide builds up on thallium if left in air, and in the presence...
|
www.webelements.com/webelements/elements/text/Tl/key.ht...
www.webelements.com/webelements/elements/text/Tl/key.html
|
|
