| NOMBRE | substance | promecio, número atómico 61, prometio | a soft silvery metallic element of the rare earth group having no stable isotope |
|---|
| Sentido | A soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium. | |
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| Sinónimos | número atómico 61, prometio | |
| General | elemento metálico, metales, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Inglés | promethium, Pm, atomic number 61 | |
| Catalán | prometi | |
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