| NOM | substance | heli, número atòmic 2 | a very light colorless element that is one of the six inert gasses |
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| Sentit | A very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas). | |
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| Sinònim | número atòmic 2 | |
| 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 | helium, He, atomic number 2 | |
| Espanyol | helio, número atómico 2 | |
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