Hailium

Hailium

Stoo kemmigagh	bunstoo kemmigaghasatmophile element(en)
Hailium aynstaabyl ny bunstooghyn
Cowrey kemmigagh	He
Earroo breneenagh	2
Glout breneenagh	4.002602
Cummey lectraneyn	1s²
Possanasçhymcheayrt	çhymcheayrt 1 gas ooasle
Troyn fishigagh
Glooid	0.1786 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-lheie	0.95 K ​(−272.20 °C, ​−457.96 °F) (ec 2.5 MPa)
Y point-broie	4.222 K ​(−268.928 °C, ​−452.070 °F)
Co-effaght aascellagh	1.000036
Lectro-yiooldaght	4.5
Shennaghys
Feddynit magh ec	Pierre Janssen(en),Norman Lockyer(en)asWilliam Ramsay
Feddynys	18 Luanistyn 1868
Epennym	Helios(en)

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

William Ramsay

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.