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Secrets of radioactive 'promethium' — a rare earth element with mysterious applications — uncovered after 80-year search
High-energy photons generated by a particle accelerator bombarded the promethium complex to build a picture of the positions of atoms and the lengths of bonds. Subtle differences in the metal ...
New Scientist on MSN10mon
Mysterious element promethium finally reveals its chemical properties
A new compound containing one of the rarest elements in the world, promethium, has revealed its mysterious properties for the ...
EurekAlert!5d
In an advance for promethium production, researchers get a new view of the element’s properties
Conceptual art showing the rare earth element promethium in a vial surrounded by an organic ligand. Scientists have discovered hidden features of promethium, opening a pathway for research on ...
Nature23d
Radioactive Samarium-145 and Promethium-145
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 ...