Hailium

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Gow gys: stiureydys, ronsee
Hailium
2 HiddragienHailiumLitçhey
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He

Ne
He-TableImage.png
Cadjin
EnnymCowreyEarroo Hailium, He, 2
Straih chemmigagh Gas taaue
Possan, Çhymcheayrt, Block 18, 1, s
Cruinnaghey breneenagh 4.002602(2) g·mol−1
Cummey lectraneyn 1s2
Lectraneyn 'sy çhliggan 2
Troyn fishigagh
Paase Gas
Glooaght (0 °C, 101.325 kPa)
0.1786 g/L
Poynt lheie ec 0.95 K
(-272.20 °C, -457.96 °F)
Poynt broie 4.22 K
(-268.93 °C, -452.07 °F)
Troyn breneenagh
Lectro-jiooldaght gyn fysseree (Scaailey Pauling)
Bree eeaneaghey 1-d: 2372.3 kJ·mol−1
2-h: 5250.5 kJ·mol−1
Imraaghyn

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.

William Ramsay[reagh]

By eh William Ramsay (1852-1916) y kemmigagh Albinagh ren feddyn magh queig jeh ny gassyn ooasle. Rug eshyn 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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