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Hailium

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Hailium

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Stoo kemmigaghbunstoo kemmigaghasatmophile element(en)Translate
Hailium aynstaabyl ny bunstooghyn
Cowrey kemmigaghHe
Earroo breneenagh2
Glout breneenagh4.002602
Cummey lectraneyn1s²
Possanasçhymcheayrtçhymcheayrt 1
gas ooasle
Troyn fishigagh
Glooid0.1786 g/L
tra t'eh ny ushlagh:
(ec y phoynt-lheie) 0.145 g/cm³
(ec y phoynt-broie) 0.125 g/cm³
Y point-lheie0.95 K ​(−272.20 °C, ​−457.96 °F) (ec 2.5 MPa)
Y point-broie4.222 K ​(−268.928 °C, ​−452.070 °F)
Co-effaght aascellagh1.000036
Lectro-yiooldaght4.5
Shennaghys
Feddynit magh ecPierre Janssen(en)Translate,Norman Lockyer(en)TranslateasWilliam Ramsay
Feddynys18 Luanistyn 1868
EpennymHelios(en)Translate

Shebunstooehhailium(ASE:[ˈheːlʲʊm]). She yntrimmid breneenaghta echey ny 4.002602 g·mol−1.Taearroo breneenagh2as cowreyHeer.

William Ramsay

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Hailium

SheWilliam Ramsay(1852-1916) y kemmigaghAlbinaghren feddyn magh queig jeh ny gassyn ooasle. V'eh ruggit aynsGlaschu,as ren eh studeyrys er kemmig 'syGhermaanfo stiureyRobert Bunsen.Ta sleih cooinaghtyn er Ramsay er yn oyr dy dooar eh maghargon(1894),hailium(1895),neoin(1898),krypton(1898) asxenon(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.