| NOMBRE | substance | número atómico 89, actinio | a radioactive element of the actinide series |
|---|
| Sentido | A radioactive element of the actinide series; found in uranium ores. | |
|---|---|---|
| Sinónimo | actinio | |
| General | elemento, elemento químico | Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
| Substancia de | mineral de uranio | Any ore from which uranium can be extracted |
| Inglés | actinium, Ac, atomic number 89 | |
| Catalán | Ac, actini, número atòmic 89 | |
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