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Isotopes of Helium (He) |
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| Find list of stable and radioactive isotopes of different elements, half life period of its unstable or radioactive isotope, molecular weight, particle emitted during decay and more |
Helium (He) has 8 istopes, they are
3He, 4He, 5He, 6He, 7He, 8He, 9He, 10He | | Of which 2 istopes are stable
3He, 4He | | | Common Unstable Isotopes of Helium (He) are |
| Element | Mass | Symbol | Decay Type | Half Life |
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| Helium | 10 | 10He | | 1.52 x 10-21 seconds | | Helium | 5 | 5He | | 760 x 10-24 seconds | | Helium | 6 | 6He | | 806.7 milliseconds | | Helium | 7 | 7He | | 3.04 x 10-21 seconds | | Helium | 8 | 8He | | 119 milliseconds | | Helium | 9 | 9He | | 7 x 10-21 seconds |
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