|
Indo-European; — Germanic; Astatine en; Astat de lb da sv no is; Astatin de²; Astaat nl af fy; Astatan fo; — Italic; Astate fr; Astato es gl it pt; Àstat ca; Astat oc fur; Astatin ro; Astatiniu mo; ... Appearance, some properties, a memory peg and a summary of discovery and etymology...
|
www.vanderkrogt.net/elements/elem/at.html
|
|
|
|
Astatine is a member of the halogen family, elements in Group 17 (VIIA) of the periodic table. It is one of the rarest elements in the universe. Scientists believe that no more than 25 grams exist on the Earth's surface.
|
www.chemistryexplained.com/elements/A-C/Astatine.html
www.chemistryexplained.com/elements/A-C/Astatine.html
|
|
|
|
Element Astatine - At ... Overview of Astatine ... Discovery Location: Berkeley California United States...
|
environmentalchemistry.com/yogi/periodic/At.html
|
|
|
Astatine | World of Scientific Discovery. Astatine summary with 1 pages of encyclopedia entries, research information, and more. ... These scientists bombarded bismuth with alpha particles to obtain element #85. They named their discovery astatine (chemical symbol: At) after the Greek word for unstable, astatos.
|
www.bookrags.com/research/astatine-wsd/
www.bookrags.com/research/astatine-wsd/
|
|
Brief and Straightforward Guide: What is Astatine? ... The discovery of astatine was announced in 1931 by Fred Allison and E.J. Murphy. By 1940, a team of scientists in California had managed to create astatine 211; the credit for this discovery goes to D.R. Corson, K.R. Mackenzie, and Emilio Segré.
|
www.wisegeek.com/what-is-astatine.htm
www.wisegeek.com/what-is-astatine.htm
|
|
Astatine, At, is a element with some metallic properties, found in Group VIIb (i.e. the Halogen Group of elements) of the periodic table. ... Astatine was made by the bombardment of Bismuth with alpha-Particles by Segre in 1940AD.
|
www.ucc.ie/academic/chem/dolchem/html/elem/elem085.html
|
|
Basic information, atomic structure, and table of isotopes. ... Show Table With: Name; Atomic Number; Atomic Mass; Electron Configuration; Number of Neutrons; Melting Point; Boiling Point; Date of Discovery; Crystal Structure; ... I currently do not know of any links for Astatine. If you do, please let me know;
|
www.chemicalelements.com/elements/at.html
|
|
The Element Astatine - Basic Physical and Historical Information ... The Element Astatine; [Click for Isotope Data] ... Astatine was produced by Dale R. Carson, K.R. MacKenzie and Emilio Segrè by bombarding an isotope of bismuth, bismuth-209, with alpha particles that had been accelerated in a device called a cyclotron.
|
education.jlab.org/itselemental/ele085.html
|
|
Astatine-211 (half-life 7.21 hr) is sometimes used as a radioactive tracer; like iodine, it collects in the thyroid gland. The discovery of astatine (first called alabamine) was announced in 1931 by Fred Allison and E. J. Murphy.
|
encyclopedia2.thefreedictionary.com/astatine
encyclopedia2.thefreedictionary.com/astatine
|
|
