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element 113

   Also found in: Encyclopedia, Wikipedia 0.03 sec.
element 113
Symbol Uut
An artificially produced radioactive element whose isotopes have mass numbers of 283 and 284 and half-lives of slightly more than one second. Atomic number 113. Also called ununtrium. See Periodic Table.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.element 113 - a radioactive transuranic element
atomic number 113, ununtrium, Uut
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter


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? Mentioned in ? References in periodicals archive
 
By international convention, element 113 is getting a temporary name, Ununtrium (Uut on the periodic table),while 115 is being designated Ununpentium (Uup).
Positively elementary discoveries by New York Times Upfront
Therefore, the experiment appears to have also produced the first four atoms of element 113 ever recognized.
Two new elements made: atom smashups yield 113 and 115 by Weiss, P. / Science News
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