| NOM | substance | Rn, número atòmic 86, radó | a radioactive gaseous element formed by the disintegration of radium |
|---|
| Sentit | A radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health. | |
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| Sinònims | número atòmic 86, radó | |
| General | argonon, gas inert, gas noble, gas rar | Any of the chemically inert gaseous elements of the helium group in the periodic table |
| element, element químic | 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 | |
| Anglès | radon, Rn, atomic number 86 | |
| Espanyol | número atómico 86, radon, radón, Rn | |
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