It's Elemental

| Previous Element | Table of Elements | Next Element |
| Hydrogen's Main Data Page |

Isotopes of the Element Hydrogen

Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.

Isotopes of the Element Hydrogen with a Known Natural Abundance

Mass NumberNatural AbundanceHalf-life
199.985%Stable
20.015%Stable

All Known Isotopes of the Element Hydrogen

Mass NumberHalf-lifeDecay ModeBranching Percentage
1Stable--
2Stable--
312.32 yearsBeta-minus Decay100.00
49.93696×10-23 secondsNeutron Emission100.00
58.01930×10-23 secondsNeutron Emission100.00
63.26500×10-22 secondsTriple Neutron EmissionNo Data Available