| NOMBRE | substance | Tm, número atómico 69, tulio | a soft silvery metallic element of the rare earth group |
|---|
| 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. | |
|---|---|---|
| Sinónimos | número atómico 69, 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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