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Topic: Hassium


In the News (Thu 16 May 13)

  
  It's Elemental - The Element Hassium
Hassium was first produced by Peter Armbruster, Gottfried Münzenber and their team working at the Gesellschaft für Schwerionenforschung in Darmstadt, Germany in 1984.
This produced atoms of hassium-265, an isotope with a half-life of about 2 milliseconds (0.002 seconds), and a free neutron.
Hassium's most stable isotope, hassium-277, has a half-life of about 12 minutes.
education.jlab.org /itselemental/ele108.html   (115 words)

  
  Chemistry of Hassium, Element 108
The researchers established that hassium forms a gaseous oxide similar to that of osmium, confirming that hassium, like osmium, is a member of group 8 of the periodic table and should be placed directly under it.
Hassium does not exist in nature but must be created one atom at a time by fusing lighter nuclei.
Hassium oxide was found to condense at a higher temperature than osmium oxide, indicating that it is less volatile.
www.lbl.gov /Science-Articles/Archive/108-chemistry.html   (505 words)

  
  Hassium   (Site not responding. Last check: 2007-11-07)
Hassium is a chemical element in the periodic table that has the symbol Hs and atomic number 108.
The name hassium was proposed by them, derived from the Latin name for the German state of Hessen where the institute is located.
The name hassium was adopted internationally, however, in 1997.
www.abacci.com /wikipedia/topic.aspx?cur_title=Hassium   (172 words)

  
 Omnipelagos.com ~ article "Hassium"
Hassium (IPA:), also called eka-osmium, is a synthetic element in the periodic table that has the symbol Hs and atomic number 108.
Hassium was first synthesized in 1984 by a German research team led by Peter Armbruster and Gottfried Münzenberg at the Institute for Heavy Ion Research (Gesellschaft für Schwerionenforschung) in Darmstadt.
The name hassium was proposed by them, derived from the Latin (language) name for the German state of Hessen where the institute is located.
www.omnipelagos.com /entry?n=hassium   (190 words)

  
 Science News   (Site not responding. Last check: 2007-11-07)
Hassium, with 108 protons in each atom, is the heaviest element yet to have its chemical properties analyzed.
First created in 1984, hassium doesn't exist in nature—it must be made by combining the nuclei of lighter elements.
For example, hassium atoms reacted with oxygen to form hassium oxide molecules that condensed at a temperature consistent with the behavior of group 8 elements, says Nitsche.
www.phschool.com /science/science_news/articles/hassium_on_table.html   (316 words)

  
 Hassium Information   (Site not responding. Last check: 2007-11-07)
Hassium (eka-osmium) is a chemical element in the periodic table that has the symbol Hs and atomic number 108.
It is predicted that Hassium will be the densest element yet known, with a density exceeding two and a half times that of lead.
The name hassium was proposed by them, derived from the Latin name for the German state of Hessen where the institute is located.
www.bookrags.com /wiki/Hassium   (221 words)

  
 Hassium (Hs) - Chemical properties, Health and Environmental effects
Hassium is a synthetic chemical element, expected to have chemical properties similar to those of osmium and a silvery white or metallic gray colour.
Hassium does not have any known application and little is known about it.
Hassium is not found free in the environment, since it is a synthetic element.
www.lenntech.com /Periodic-chart-elements/Hs-en.htm   (147 words)

  
 C&EN: IT'S ELEMENTAL: THE PERIODIC TABLE - BOHRIUM AND HASSIUM
Hassium was discovered in 1984 by a team of physicists led by Armbruster and Münzenberg in Germany.
Hassium transmutes to known isotopes of seaborgium, rutherfordium, nobelium, and fermium.
All hassium isotopes were identified by time correlations to known isotopes of lighter elements using single-event detection.
pubs.acs.org /cen/80th/print/bohriumhassiumprint.html   (1464 words)

  
 Periodic Table of the Elements - National Research Council Canada
Hassium is a synthetic element (number 108) that was discovered in 1984 by a group of scientists in Germany.
Hassium is a synthetic element (number 108) that was discovered in 1984 by a group of scientists in Germany.
Hassium is highly radioactive, and it would pose a radiation hazard if enough were assembled in one place.
www.nrc-cnrc.gc.ca /education/elements/el/hs_e.html   (134 words)

  
 AllRefer.com - hassium, Compound & Element (Compounds And Elements) - Encyclopedia
In 10 days of bombardment, they successfully produced three atoms of an isotope of element 108 with mass number 265 and a half-life of only 2 msec.
They suggested that the new element by named hassium, which is derived from the Latin name for the German state of Hesse, where the institute is located.
In 1994 a committee of the International Union of Pure and Applied Chemistry (IUPAC), convened to resolve naming disputes for the transactinide elements, recommended that element 108 be named hahnium.
reference.allrefer.com /encyclopedia/H/hassium.html   (268 words)

  
 Facts about Hassium
Hassium is classified as a "Transition Metal" which are located in Groups 3 - 12 of the Periodic Table.
Hassium was discovered by Peter Armbruster and Gottfried Münzenberg at the Institute for Heavy Ion Research at Darmstadt, Germany in 1984.
Find out more facts about Hassium on the Periodic Table which arranges every chemical element according to its atomic number, as based on the periodic law, so that chemical elements with similar properties are in the same column.
www.facts-about.org.uk /science-element-hassium.htm   (401 words)

  
 The Dispatch - Serving the Lexington, NC - News
Hassium oxidises similar to osmium above it, to a hassium tetroxide with a lower volatility than osmium tetroxide.
The name hassium was adopted internationally in 1997.
Isotope 270 of Hassium, discovered by an international team of scientists led by the Technical University of Munich in December 2006, is a doubly magic isotope with an unusually long half-life of 22 seconds.
www.the-dispatch.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Hassium   (227 words)

   1" rowspan="1"> 108 1" rowspan="1"> Hs 1" rowspan="1"> Hassium 1" rowspan="1"> (265) 1" rowspan="1"> 2 ·â€‰8 ·â€‰18 32 ·â€‰32 14 ·â€‰2 ...
 Highbeam Encyclopedia - Search Results for hassium
Periodic Table of the Elements: Hassium
Situated in Group 8 of the periodic table, it is expected to have properties similar to those of osmium.
Hassium holds its place at the table.(periodic table of chemical elements)(Brief Article)
www.encyclopedia.com /SearchResults.aspx?Q=hassium   (504 words)

  
 Heavy elements: Chemistry gets heavy
On seven atoms of hassium to be precise, created one-by-one by fusion of magnesium-26 and curium-248.
Hassium forms a volatile oxide similar to that of its lighter homologue osmium, as predicted for a member of group 8 of the periodic table.
Hassium is the heaviest element whose chemistry has yet been studied, and the findings extend experimental testing of the predictions of the periodic table to 108, and counting.
www.nature.com /nature/links/020822/020822-3.html   (167 words)

  
 Chemical & Engineering News: Latest News - Hassium-270 Is Long-Lived
The team includes 24 scientists from 10 research institutions, including the Technical University of Munich (TUM) and the Institute for Heavy-Ion Research (GSI), both in Germany, as well as institutions in Russia, the U.S., Switzerland, Japan, China, and Poland.
The target was also doped with a small amount of gadolinium to produce isotopes of hassium's lighter homolog, osmium.
Hs, scientists learned that hassium and osmium—but not other heavy elements—form volatile tetroxides, thereby providing a method for filtering unwanted products.
pubs.acs.org /cen/news/84/i52/8452hassium.html   (530 words)

  
 Hassium   (Site not responding. Last check: 2007-11-07)
Hassium is element number 108, which means it has 108 protons.
Hassium is radioactive solid that is artificially produced.
They used a linear accelerator and found the isotope of hassium that has a mass of 265 a.m.u, which has a half-life of only 2 milliseconds.
home.earthlink.net /~danieldorsey/periodictable/108.htm   (176 words)

  
 CRCPress Periodic Table Online: Cadmium
In June 2001 it was announced that hassium is now the heaviest element to have its chemical properties analyzed.
Atoms of curium-248 were collided with atoms of magnesium-26, producing about 6 atoms of hassium with a half-life of 9 sec.
This was sufficiently long to obtain data showing that hassium atoms react with oxygen to form hassium oxide molecules.
www.chemnetbase.com /periodic_table/elements/hassium.htm   (246 words)

  
 Hassium   (Site not responding. Last check: 2007-11-07)
Hassium - Hs, is A highly radioactive metal which does not occur naturally and only a few atoms have ever been made.
It is of research interest only, found in Group VIII of the periodic table.
A transuranium element, only a few atoms of hassium have ever been made, and it will probably never be isolated in observable quantities.
www.ucc.ie /academic/chem/dolchem/html/elem108.html   (124 words)

  
 Hassium 108
Forschern des Paul-Scherrer-Instituts in Villigen (Schweiz) ist die erste chemische Untersuchung des künstlichen Elements Hassium geglückt.
Hassium trägt den lateinischen Namen für Hessen und wurde im Jahre 1984 an der GSI erstmals hergestellt.
Während der physikalische Aufbau derartiger superschwerer Atomkerne zum Teil schon recht gut erforscht ist, sind die chemischen Eigenschaften weniger gut bekannt.
www.apsidium.com /elements/108.htm   (683 words)

  
 The Element Hassium
Hassium - An element from the Periodic Table based on the IOUPAC 1985 standard
Check out Hassium on the Periodic Table which arranges each chemical element according to its atomic number, as based on the periodic law, so that chemical elements with similar properties are in the same column.
Our Periodic Table is simple to use - just click on the symbol for Hassium for additional information and for an instant comparison of the Atomic Weight, Melting Point, Boiling Point and Mass - G/cc with any other element.
www.periodic-table.org.uk /element-hassium.htm   (278 words)

  
 A Periodic Table of the Elements From Mineral Information Institute   (Site not responding. Last check: 2007-11-07)
Its chemistry and appearance are not known with any certainty, although the chemistry is believed to be similar to osmium.
Hassium is too rare to have any commercial or industrial application.
Obtained from: Hassium is obtained by the fusion process of bombarding lead with iron.
www.mii.org /periodic/Hs.htm   (130 words)

  
 Hassium - Hs 108 | Element 108 of the Periodic Table   (Site not responding. Last check: 2007-11-07)
It is predicted that Hassium will be the densest element yet known, with a density exceeding two and a half times that of lead.
It has an extremely short half-life meaning its effects on Humans and the Environment are unknown, as are it uses.
It is derived from the Latin name for the German state of Hessen where the institute for Heavy Ion Research is located.
www.hassium.info   (221 words)

  
 Chemistry : Periodic Table : hassium : key information
Hassium, is a synthetic element that is not present in the environment at all.
Isolation of an observable quantity of hassium has never been achieved, and may well never be.
This is because hassium decays very rapidly through the emission of α-particles.
www.webelements.com /webelements/elements/text/Hs/key.html   (156 words)

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