Català > gas rar: 1 sentit > nom 1, substance| Sentit | Any of the chemically inert gaseous elements of the helium group in the periodic table. |
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| Sinònims | argonon, gas inert, gas noble |
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| Específic | Ne, neó, número atòmic 10 | A colorless odorless gaseous element that give a red glow in a vacuum tube |
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| argó, número atòmic 18 | A colorless and odorless inert gas |
| criptó, Kr | A colorless element that is one of the six inert gasses |
| heli, número atòmic 2 | A very light colorless element that is one of the six inert gasses |
| número atòmic 54, Xe, xenó | A colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts |
| número atòmic 86, radó, Rn | A radioactive gaseous element formed by the disintegration of radium |
| General | 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 |
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| gas | A fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely |
| Anglès | noble gas, inert gas, argonon |
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| Espanyol | argonon, gas inerte, gas noble, gas raro |
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