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Helium - Wikipedia
https://en.wikipedia.org/wiki/Helium
Helium (from Greek: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements, and it does not have … See more
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Helium | Definition, Properties, Uses, & Facts | Britannica
https://www.britannica.com/science/helium-chemical-element
OverviewHistoryAbundance and isotopesPropertiesProduction and usesHelium gas (98.2 percent pure) is isolated from natural gas by liquefying the other components …Helium is used as an inert-gas atmosphere for welding metals such as aluminum; in rocket propulsion (to pressurize fuel tanks, especially those for liquid hydrogen, because only helium is still a gas at liquid-hydrogen temperature); in meteorology (as a lifting gas for instrument-carryin…See more on britannica.comAuthor: The Editors Helium gas (98.2 percent pure) is isolated from natural gas by liquefying the other components …Helium is used as an inert-gas atmosphere for welding metals such as aluminum; in rocket propulsion (to pressurize fuel tanks, especially those for liquid hydrogen, because only helium is still a gas at liquid-hydrogen temperature); in meteorology (as a lifting gas for instrument-carryin… Published: Jul 20, 1998
Helium gas (98.2 percent pure) is isolated from natural gas by liquefying the other components …Helium is used as an inert-gas atmosphere for welding metals such as aluminum; in rocket propulsion (to pressurize fuel tanks, especially those for liquid hydrogen, because only helium is still a gas at liquid-hydrogen temperature); in meteorology (as a lifting gas for instrument-carryin…
Published: Jul 20, 1998
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Helium - Element information, properties and uses
https://www.rsc.org/periodic-table/element/2/helium
WEBElement Helium (He), Group 18, Atomic Number 2, s-block, Mass 4.003. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
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Helium - Wikiwand
https://www.wikiwand.com/en/Helium
WEBHelium (from Greek: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, …
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Helium Facts (Atomic Number 2 or He) - ThoughtCo
https://www.thoughtco.com/helium-facts-606542
WEBSep 2, 2021 · Learn about helium, the second element on the periodic table, with the symbol He and atomic number 2. Find out its discovery, isotopes, uses, sources, compounds, and more.
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