Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics A naturally-occurring
radioactive isotope ofcalcium , 4820Ca, having twentyprotons and twenty-eightneutrons , and ahalf-life of 4.3x1019 years
Etymologies
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Examples
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Russian physicists bombarded plutonium-244 with calcium-48 to produce a single atom of rapidly decaying 114.
Wired Top Stories Mark Brown 2011
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Russian physicists bombarded plutonium-244 with calcium-48 to produce a single atom of rapidly decaying 114.
Wired Top Stories Mark Brown 2011
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And what an experiment it was: For 150 days, the scientists smashed calcium-48 atoms into berkelium-249 atoms, and at the end of the experiment the team had created exactly six atoms of element 117, according to the
Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews Science News 2010
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Add that to the usual 20 protons in calcium, and you have calcium-48.
Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews Science News 2010
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Specifically, an isotope, or variation, of berkelium (berkelium-249) was bombarded with an isotope of calcium, calcium-48.
Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews Science News 2010
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And what an experiment it was: For 150 days, the scientists smashed calcium-48 atoms into berkelium-249 atoms, and at the end of the experiment the team had created exactly six atoms of element 117, according to the
Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews Science News 2010
-
Add that to the usual 20 protons in calcium, and you have calcium-48.
Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews Science News 2010
-
Specifically, an isotope, or variation, of berkelium (berkelium-249) was bombarded with an isotope of calcium, calcium-48.
Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews Science News 2010
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A team led by Yuri Oganessian of the Joint Institute for Nuclear Research in Dubna, Russia, reports smashing together calcium-48 - an isotope with 20 protons and 28 neutrons - and berkelium-249, which has 97 protons and 152 neutrons.
Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews Science News 2010
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