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Meitnerium - Wikipedia, the free encyclopedia
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Brief description: element 109, meitnerium, is a synthetic element that is not present in the environment at all. There is no dispute concerning the name meitnerium for element 109. ... History: meaning of name; discovery; and history of the element ... Atomic number: 109...
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One fission event from seven alpha decays of 109 was observed, thus indirectly confirming the existence of isotope 266-109. The IUPAC has recommended adoption of the name meitnerium (Mt) for this element, honoring L. Meitner.
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Hutchinson encyclopedia article about Element 109. Element 109. Information about Element 109 in the Hutchinson encyclopedia. ... During decay, one of the atoms gave rise to a daughter element 109, with an atomic mass of 268, and a granddaughter element 107, with a mass of 264.
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Definition of element 109 in the Online Dictionary. Meaning of element 109. Pronunciation of element 109. Translations of element 109. element 109 synonyms, element 109 antonyms. Information about element 109 in the free online English dictionary and encyclopedia. ... element 109 - a radioactive transuranic element...
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On August 29, 1982, physicists at the Heavy Ion Research Laboratory, Darmstadt, West Germany made and identified element 109 by bombing a target of 209Bi with accelerated nuclei of 58Fe. If the combined energy of two nuclei is sufficiently high, the repulsive forces between the nuclei can be overcome.
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The team confirmed the existence of Element 109 by four independent measurements. The newly formed atom recoiled from the target at predicted velocity and was separted from smaller, faster nuclei by a newly developed velocity filter.
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Origins of the Element Names ... Meitnerium #109 ... Element 109 was made by Peter Armbruster, Gottfried Münzenber et al at Gesellschaft für Schwerionenforschung (GSI) in Darmstadt, Germany.
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About This Site; Comments; Help; Links; ... Element Groups: Alkali Metals; Alkaline Earth Metals; Transition Metals; Other Metals; Metalloids; Non-Metals; Halogens; Noble Gases; Rare Earth Elements; ... Chemical Elements.com - Online Periodic Table of the Elements...
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