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| radioélément m (a chemical element, not a nuclide) | |||
| élément chimique radioactif (a chemical element, not a nuclide); élément radioactif (a chemical element, not a nuclide) | |||
| radioélément m | |||
| élément radioactif | |||
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radioactive element : 10 a las frases, 3 temas |
| Ciencias naturales | 2 |
| Electrónica | 2 |
| Irradiación radiactiva | 6 |