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- ELEMENT 112 DISCOVERED 22/02/96
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- Source: Reuter
-
- BONN, Germany (Reuter) - Scientists at a German research institute have added a
- new element to the Periodic Table -- number 112, a heavier, still unnamed
- relative of zinc, cadmium and mercury.
-
- A team of German, Russian, Slovakian and Finnish physicists detected a single
- atom of the new metal on Feb. 9, the Society for Heavy Ion Research in
- Darmstadt, near Frankfurt, announced.
-
- They made it by bombarding lead, element number 82, with zinc, element number
- 30, until a pair of atoms fused as a new substance with as many protons as the
- two together.
-
- The new element is the latest in a string of successes for a team headed by
- German Peter Armbruster, who were the first to create elements 107 to 111.
-
- The new element is so difficult to produce that it is unlikely to serve any
- purpose but research. But the way it decays offers proof of a theory about how
- so-called "super-heavy" atoms behave.
-
- The 30-year-old theory contends that atoms with 162 neutrons -- tiny neutral
- particles in the heart of an atom -- are more strongly bound together than
- their chemical neighbors.
-
- "Proving the existence of element 112 provides important confirmation for
- theoretic nucleus structure models," German Science Minister Juergen Ruettgers
- said.
-
- Armbruster, who has worked on new elements for 20 years, and his team plan to
- press on. But the search will not continue forever.
-
- "According to theory, element 114 should be especially stable," said an
- institute spokesman. "There won't be an element 200 and there probably won't
- even be an element 130."
-
-
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