Beryllium-8
| General | |
|---|---|
| Symbol | 8Be |
| Names | beryllium-8 |
| Protons (Z) | 4 |
| Neutrons (N) | 4 |
| Nuclide data | |
| Natural abundance | 0 |
| Half-life (t1/2) | (8.19±0.37)×10−17 s |
| Isotope mass | 8.00530510(4) Da |
| Spin | 0 |
| Decay products | 4He |
| Decay modes | |
| Decay mode | Decay energy (MeV) |
| α | 0.09184(4) |
| Isotopes of beryllium Complete table of nuclides | |
Beryllium-8 (8Be, Be-8) is a radionuclide with 4 neutrons and 4 protons. It is an unbound resonance of two alpha particles and nominally an isotope of beryllium. This has important ramifications in stellar nucleosynthesis as it creates a bottleneck in the creation of heavier chemical elements.