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Element 112 debuts in fusion of lead, zinc. (new, unnamed atom has an atomic mass of 277)(Brief Article)
Science News
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March 2, 1996|
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COPYRIGHT 1996 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group.
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Researchers have added a chemical element to the periodic table.
So far unnamed, this new atom has a nucleus consisting of 112 protons and 165 neutrons, giving it an atomic mass of 277. It's the heaviest nucleus yet created in the laboratory.
The detection of a single nucleus of element 112 is the latest in a series of discoveries at GSI, the center for heavy ion studies in Darmstadt, Germany. In late 1994, a GSI team produced elements 110 and 111 (SN: 1/7/95, p. 5).
This sequence of experiments brings nuclear physicists tantalizingly close to creating ...
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