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Stoo kemmigagh | bunstoo kemmigagh as atmophile element (en) ![]() |
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Hailium ayns taabyl ny bunstooghyn | |
Cowrey kemmigagh | He |
Earroo breneenagh | 2 |
Glout breneenagh | 4.002602 |
Cummey lectraneyn | 1s² |
Possan as çhymcheayrt | 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) ![]() ![]() |
Feddynys | 18 Luanistyn 1868 |
Epennym | Helios (en) ![]() |
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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.