Helium, neon, argon, krypton, xenon and radon are noble gases.
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Helium, neon, argon, krypton, xenon and radon are noble gases.
Source: tatoeba (1555652)
Our atmosphere contains 21% oxygen, which is necessary for us to breathe, 78% nitrogen, and 0.9% argon. The other 0.1% consists of water vapor, carbon dioxide, neon, methane, krypton, helium, xenon, hydrogen, nitrous oxide, carbon monoxide, nitrogen dioxide, sulfur dioxide, and ozone.
Source: tatoeba (3955495)
Xenon is the 54th chemical element. It is colorless, odorless and tasteless.
Source: tatoeba (11746212)
Argon and xenon gas can also be used in cold gas thrusters due to their inertness.
Source: tatoeba (13627735)
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.