You're seeing radon, a naturally radioactiveelement, heave out an alpha particle-twoneutrons plus two protons.
2
The radioactiveelement used in the core was solinium 2, which had a half-life of fourteen seconds.
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With David's record, this was a significant offense, since smoke detectors run on a radioactiveelement, americium.
4
His family launched a case last month over claims that he was poisoned with polonium-210, a radioactiveelement.
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It is a heavy radioactiveelement, as we discover in episode 1 of Elemental, with Professor Allan Blackman from AUT.
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And it's on that note - its life as a radioactiveelement - that it becomes interesting as an assassin's weapon.
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In May a sale of more than two pounds of the radioactiveelement cesium-137 was thwarted in Vilnius, the capital of Lithuania.
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The rare, radioactiveelement just below uranium in the periodic table of the elements, the element used to power this very ship!
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These are 'rigged' atomic bombs; that is to say, bombs which are cased in a shell made of a potentially highly radioactiveelement.
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This energetic radioactiveelement emits alpha radiation which does not penetrate the skin so that it can be safely carried by an assassin.
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Experiments in a Norwegian underground plant could lead to the radioactiveelement thorium being developed as a safer alternative in the production of nuclear power.
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Furthermore, supernovae produce many radioactiveelements, which start decaying immediately after the explosion.
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Neutrinos are produced whenever the nuclei of radioactiveelements break down.
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Application of radioactiveelements or radionuclides for anthropogenic use is a widespread phenomenon nowadays.
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Because many radioactiveelements around uranium happen to decay into francium as they disintegrate.
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Xenia says: Glowing RadioactiveElements started life as a semi-improvised piece with four movements.