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In an advance for promethium production, researchers get a new view of the element’s propertiesPromethium’s short half-life and lack of stable isotopes makes it difficult to study. In addition, promethium is difficult to ...
Rare earth metals are making headlines as demand rises for products from smartphones to wind turbines, and as governments seek secure supply.
CONSIDERATION of nuclear systematics shows that, if any stable isotope of promethium exists, it would almost certainly have a mass number 145, 147 or 149, or possibly 143 with the stable 82 ...
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