| 11. | Transuranic elements can be artificially generated synthetic elements, via nuclear reactors or particle accelerators.
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| 12. | The physical behavior of the fission products is markedly different from that of the transuranics.
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| 13. | All of the transuranic actinides are unstable.
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| 14. | Plutonium and other transuranic isotopes are produced from uranium by neutron absorption during reactor operation.
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| 15. | Americium is used in smoke detectors, and several transuranic elements are used in nuclear medicine.
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| 16. | The US government disposes of transuranic waste at WIPP in New Mexico, in rooms underground.
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| 17. | However, to obtain this benefit requires the highly efficient separation of transuranics from spent fuel.
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| 18. | Chemical elements contains 11 transuranic actinide elements, with atomic numbers ranging from 93 to 103.
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| 19. | Production of heavy transuranic actinides in current thermal-neutron fission reactors through neutron capture and decays.
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| 20. | Altogether, Seaborg and his colleagues discovered 10 of the transuranics, of which plutonium was the first.
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