Saturday, November 2, 2013

Read more ... Periodic got flerovij and livermorij :: 31 May 2012 going to be a change in the perio


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Slo-Tech - The team of chemists and physicists from IUPAC IUPAP is to review the literature on research in the field of heavy chemical elements decided chemical properties that the element with atomic number 114 and 116 qualify for full inclusion in the periodic system. That element gets its place in the periodic system, it is not enough to merely detection of unstable nuclei in particle accelerators. Detailed criteria set in 1992 joined a working group of chemists and physicists of the Fermi difficult elements (TWG). The procedure for obtaining the kernel must be reproducible other laboratories prefer the second method, chemical properties beyond reasonable doubt. We need a low background cross-bombing (cross-bombardment), internal reproducibility in the preparation and dissolution of elements relevant physico-chemical behavior of spatial features of evaporation and dissolution, chemical properties etc.. Only when all or most of these conditions, then place the new element in the Periodic Table. TWG decided that the elements 114 and 116 are added to the periodic chemical properties table, while the elements 113, 115 and 118 is not enough evidence, even though we already have the first evidence of their existence Element 114 and 116 were first discovered in the laboratory at Dubna in Russia chemical properties 1998-2000, experiments were later repeated in other parts of the world. All synthetic chemical properties elements in the last period of the radioactive with a short half-periods, so for now not usable. Enthusiasm for the discoveries still heavier elements, however, is not waning because chemists believe that we are approaching the island of stability. chemical properties Game prestige begins when determining the IUPAC name shall be called by a new element. Usually the main floor laboratory element first discovered. chemical properties Therefore, the Russians proposed name for element 114 flerovij (according to Russian nuclear physicist Georgi Flerov) and moskovij for element 116 (after Moscow). Battles for the appointment of the elements are harsh and long. The most famous was pulled from 1960 until 1997, when the Russians, Americans and Germans each proposed their names for elements 104 and 109 (and even then not all of all of the elements that the situation was even more complicated). chemical properties IUPAC was then meeting in Geneva in 1997 to solve the dilemma that the right to get a description of the laboratory that created the first element, while the two elements of the Americans chemical properties and Russians divided, as it was not possible to establish the first authorship.
Read more ... Periodic got flerovij and livermorij :: 31 May 2012 going to be a change in the periodic table :: 19 December 2010 discovered a new element with atomic number 117 :: 8 April 2010 Periodic Table of Elements got a new member chemical properties :: 12 jun 2009 AMD introduces new Turion 23 :: August 2005 Periodic elemntov list of comics? chemical properties 9 :: April 2002
smash - but it's so hard to click the link and check it out? Otherwise - JINR, I was there last year. Horrible place .... Research laboratories are guarded worse than any prison. 2 barbed wire fence + + Strom via a secure zone, with pograbljeno sand. There are five nuclear reactors, from the inside and the whole thing looks as to what serious shooter, which should be killing each other mutants.
"Indeed, it is this society slowly to madness, and that's all I'm looking, highly organized dementia chemical properties to detail made idiotija." Psychologist HUBERT Požarnik in them, the logic of modern society ...
Smash 7 June 2011 at 08:33 said: and what name are suggested Americans? washingtonij? new yorkies? It may be so familiar elsewhere. You would think that at least

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