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  • ...Note:Solid Helium is not possible under normal atmospheric pressure, See [[Helium/Melting point]] for details.</noinclude>
    174 bytes (23 words) - 06:34, 16 December 2008
  • #REDIRECT [[Helium]]
    20 bytes (2 words) - 18:42, 31 May 2008
  • {{Basic elemental def|Helium}}
    66 bytes (7 words) - 13:55, 28 April 2010
  • #REDIRECT [[Helium/Ground state electron configuration]]
    56 bytes (6 words) - 13:11, 13 June 2008
  • |elName=Helium '''Helium''' is a [[Chemical elements|chemical element]], typically found as a [[gas]
    938 bytes (135 words) - 16:58, 1 January 2021
  • *[[Superfluidity]] of Helium
    87 bytes (10 words) - 03:43, 18 March 2010
  • ...bric structure, often shaped like an [[airship]] and usually filled with [[helium]] that is restrained by a cable attached to the ground or a vehicle. Moore ...shaped (i.e. blimp shaped) with fins to stabilise them, but relying upon [[helium]] alone for lift
    897 bytes (135 words) - 17:47, 27 January 2008
  • helium nucleus; particle of charge 2''e'' and mass 4 u.
    91 bytes (12 words) - 05:11, 12 June 2009
  • ...ordinary pressures, but will readily solidify by increasing the pressure. Helium-4 (<sup>4</sup>H) has a sharp transition temperature at 2.174K. Above this
    549 bytes (84 words) - 22:08, 14 April 2011
  • ...cienceblogs.com/startswithabang/2010/03/why_is_helium_so_scarce.php Why is Helium so Scarce?] - an introductory blog post on the limited availability of this
    197 bytes (29 words) - 20:30, 17 March 2010
  • A nuclear reactor using helium gas as a coolant, that might provide process heat for production of zero-ca
    184 bytes (31 words) - 10:23, 24 October 2021
  • ...ted fabric structure, often shaped like an airship and usually filled with helium, that is restrained by a cable attached to the ground or a vehicle.
    191 bytes (29 words) - 10:21, 11 September 2009
  • ...o being filled with a gas less dense than air or lighter than air (such as helium or hydrogen).
    166 bytes (28 words) - 23:45, 3 September 2009
  • ...ilizes a [[nucleus]] by emitting an [[alpha particle]], the nucleus of a [[helium]] atom (He<sup>2+</sup>).
    174 bytes (23 words) - 09:22, 5 July 2008
  • ...tio oxygen/helium of 32/4 = 8 leads to the prediction by Graham's law that helium will diffuse about 2.8 times (the square root of 8 is 2.83) as quickly as o
    1 KB (165 words) - 07:59, 29 March 2008
  • <includeonly>Noble gas</includeonly><noinclude>Helium is a [[noble gas]].</noinclude>
    85 bytes (11 words) - 23:08, 9 May 2010
  • ...e, multiple nuclei of [[Hydrogen]] atoms combine to form the nuclei of a [[Helium atom]]
    196 bytes (29 words) - 22:17, 31 March 2022
  • ...ricity generation a secondary role; uranium-fueled, graphite-moderated and helium-cooled
    247 bytes (26 words) - 19:37, 17 May 2022
  • ...tomic nucleus by emitting an [[alpha particle]], which is the nucleus of a helium atom. ...forms of radiation alpha particles are also one of the primary sources of helium on earth.
    744 bytes (120 words) - 16:27, 19 December 2007
  • ...e the nuclei of multiple Hydrogen atoms combine to form the nucleus of a [[Helium]] atom. ...But Hydrogen fusion releases much more energy than the energy released by Helium, [[Carbon]], and other relatively light elements. This is why stars rely o
    940 bytes (152 words) - 18:52, 28 April 2022

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