Hailium

Hailium

2 Hiddragien ← Hailium → Litçhey - ↑ He ↓ Ne Taabyl reiltagh
Cadjin
Ennym, Cowrey, Earroo	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

Hailium

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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