He
ni i ISEGONDA na ISEGONDA Ikigize: in i.
Indangakintu...
| Ibara: | 4.0026 u |
| Impuzandengo | 0.0001785 g/cm³ |
| Akarango: | 0.95 K |
| Akadomo k' Ukongeraho | 4.22 K |
| Imigaragarire | Ibara: |
| ku | Igice |
Indangakintu...
| 1. | 2372.3 kJ/mol |
| Ibiro | -48.0 kJ/mol |
| Imirimo | 0 |
Indangakintu...
| Iboneza ry' ibara: | 1s2 |
| Akarambararo | 31.0 pm |
| Akarambararo | 28.0 pm |
| Akarambararo | 140.0 pm |
Igaragazambere
| Byabonetse | Pierre Janssen, Joseph Norman Lockyer |
| Umwaka | 1868 |
| Ahanagura | India / |
| Nyuma | 'Izuba |
Ibijyanye na Heliyumu
ni A,, i Urutonde. i Hasi: Akadomo Bya Byose Ibintu Ku na Gucaho umurongo. ni ku Gihinguranya Alpha Bya Ibintu. Itangira in i Mbere Byabonetse ku.
Porogaramu
,,,, -,, na.
Ikintu
ni i Ikigize: in Umwanya Mbere Byabonetse ku, Itangira in i A in.
Isotopes
| Umubare w' ibipimo | Ibiro | Igihe- ngombwa | Ikomeye |
| 3 | 0.00000134% | - | Oya |
| 4 | 0.99999866% | - | Oya |
Iboneza ry' ibara:
1s2