NOMBRE | substance | número atómico 69, Tm, tulio | a soft silvery metallic element of the rare earth group |
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Sentido | A soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime. | |
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Sinónimos | Tm, tulio | |
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. |
Substancia de | apatita, apatito | A common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate |
monacita | A reddish-brown mineral containing rare earth metals | |
xenotima | A brown-to-yellow mineral that is a phosphate of yttrium in crystalline form | |
Inglés | thulium, Tm, atomic number 69 | |
Catalán | número atòmic 69, Tm, tuli |
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