Hailium
She bunstoo eh hailium (ASE: [ˈheːlʲʊm]). She yn trimmid breneenagh ta echey ny 4.002602 g·mol−1. Ta earroo breneenagh 2 as cowrey He er.
  | |
| Stoo kemmigagh | bunstoo kemmigagh |
|---|---|
| Hailium ayns taabyl ny bunstooghyn | |
| Cowrey kemmigagh | He |
| Earroo breneenagh | 2 |
| Glout breneenagh | 4.002602 |
| Cummey lectraneyn | 1s² |
| Çhymcheayrt, Possan | çhymcheayrt 1 gas ooasle |
| Troyn fishigagh | |
| Glooid | 0.1785 kg/m⁻³ |
| Y point-lheie | −272.05, no value, 0.95 as −458 |
| Y point-broie | −268.9 as −452.07 |
| Co-effaght aascellagh | 1.000036 |
| Lectro-yiooldaght | 4.5 |
| Shennaghys | |
| Feddynit magh ec | Pierre Janssen (en)  , Norman Lockyer (en) as William Ramsay |
| Feddynys | Luanistyn 18, 1868 |
| Epennym | Helios (en) |
 | |
William RamsayEdit
She William Ramsay (1852-1916) y kemmigagh Albinagh ren feddyn magh queig jeh ny gassyn ooasle. V'eh ruggit ayns Glaschu, as ren eh studeyrys er kemmig 'sy Ghermaan fo stiurey Robert Bunsen. Ta sleih cooinaghtyn er Ramsay er yn oyr dy dooar eh magh argon (1894), hailium (1895), neoin (1898), krypton (1898) as xenon (1898). Scarr eh neoin, krypton, as xenon veih aer va jeant ny ushlagh. Chossyn William Ramsay Aundyr Nobel ayns 1904 son geddyn ny queig gassyn ooasle imraait heose.
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