Notable Isotopes
3He [1 neutrons]
Abundance: 0.000137%Stable with 1 neutron4He [2 neutrons]Abundance: 99.999863%Stable with 2 neutrons| Isotopes of Helium |
| Notable Isotopes |
| 3He [1 neutrons] |
| Abundance: 0.000137% |
| Stable with 1 neutron |
| 4He [2 neutrons] |
| Abundance: 99.999863% |
| Stable with 2 neutrons |