Are the halo nuclei of 6He and 8He the reason they have relatively long half-lives, compared to the other unstable isotopes of helium? XinaNicole (talk)...

change since the 2016 values used in Isotopes of helium). PaddyLeahy (talk) 08:51, 22 March 2021 (UTC) "When liquid helium-4 is cooled to below 2.17 kelvins...

This article is part of Wikipedia:Wikiproject Isotopes. Please keep style and phrasings consistent across the set of pages. For later reference and improved...

article of the helium-II section. SBHarris 23:20, 7 December 2014 (UTC) Isotopes Main article: Isotopes of helium There are eight known isotopes of helium Please...

all unstable helium isotopes from the box. It is of course emphasized this applies to the infobox and not the overall article. The isotopes should be included...

lived of all isotopes? Or just the shortest lived of the helium isotopes? Stifynsemons 13:40, 3 September 2007 (UTC) Answer: The article Isotopes of lithium...

pretty weird - no-one did isotope studies of normal helium previously?" Someone might have looked for different isotopes of helium earlier (1914 - 1934 or...

discussion is Helium-2 does not appear in NUBASE 2020, but does appear in Wikipedia's list of helium isotopes. I've been wading through the isotope pages for...

2009 (UTC) Yes, Onnes liquified HELIUM in 1908, not "helium-4". In 1908, NOBODY had any idea what different isotopes of the same element were -- because...

of covalent radius make sense for helium, as it doesn't normally bond with anything? If it is based on a measurement of a bond in some actual helium compound...

of the neutral helium hydride. I found these two papers by Ketterle: W. Ketterle, H. Figger, and H. Walther (1985). "Emission spectra of bound helium...

main helium article? - Centrx 16:50, 10 August 2005 (UTC) Maybe, but it was planned that each element have a separate article for detailed isotopic information...

the helium that arises from the radioactive decay of long-lived isotopes of thorium and uranium. Helium from such sources escapes the Earth's atmosphere...

matter of isotope constituencies is not just of an individual element, but about the interelationship of the isotopes of one element with those of the adjacent...

to helium-3 evaporative cooling. The link goes to the isotope helium-3. If I am not mistaken, however, it is helium(III), a unique PHASE of helium, as...

is no stable Isotope-5, of which Lithium-5 and Helium-5 are the most stable. At least a link to a page that discusses Isotope-5, Isotope-8, etc. 14.202...

on the Table for this isotope. 24.8.144.79 (talk) 07:05, 28 April 2013 (UTC) Given that an alpha particle happens to be a helium-4 nucleus in the first...

oxygen stable isotopes and paleoclimatology? Safay 20:48, 6 April 2006 (UTC) Yes. Here and/or in the stubs: environmental isotopes and in isotope analysis...

The isotope helium-3 also has a superfluid phase, but only at much lower temperatures; as a result, less is known about such properties in the isotope helium-3...

symbol for different isotopes.) Solomonfromfinland (talk) 17:22, 7 June 2024 (UTC) Hydrogen is the only element whose isotopes are sometimes given different...

fact most radioactive isotopes (actinides or otherwise) have short half-lives ( < 1 day) and there are plenty of long-life isotopes among non-actinides...

unneeded inconsistency with the rest of the Isotopes category if it had been removed. Besides, I don't see the Isotopes pages for more obscure, less practically...

decay via beta capture (like all of the isotopes around it) to Iodine-119. For example http://www.periodictable.com/Isotopes/054.119/index.p.full.html Casu...

The article implies that all helium-3 is either primordial or man-made. Every time a Uranium fissions it creates neutrons, that usually get absorbed by...

This is the talk page of a redirect that targets the page:  • Isotopes of helium Because this page is not frequently watched, present and future discussions...

article in the Helium article, perhaps for a "Quantum mechanics of the helium atom" subsection. As it is, I can't understand enough of this article to...

(talk) 16:49, 8 April 2017 (UTC) According to Isotopes of helium, Helium-8 can undergo fission into Helium-5 and Tritium (and an electron), with a 0.9%...

all 27 of these are elements of the periodic table, or an isotope at the very least like helium 3 and tritium. As such, I suggest a name change. Yen-Tzu...

second sentence "some of this helium-4 is removed" it is unexpected, because in my interpretation the helium-3 is the unwanted isotope, and the experimenter...

to cBN without QuadTriso SiC isotopes B-11 like C-12 and N-15 with lowest neutron absorption of all isotopes about 1/100 of C-12 added ND3 (N-15) as moderator...