| Nuclide | Neutrons | Stability |
|---|---|---|
| 3Li(Triproton) | 0 | Unstable |
| 4Li | 1 | 9.1x10-23 seconds of half life |
| 5Li | 2 | 5.4x10-22 seconds of half life |
| 6Li | 3 | Stable |
| 7Li(Main) | 4 | Stable |
| 8Li | 5 | 838.7 milliseconds of half life |
| 9Li | 6 | 178.2 milliseconds of half life |
| 10Li | 7 | 5.5x10-22 to 5.5x10-21 seconds of half life(unknown) |
| 11Li | 8 | 8.6x10-3 seconds of half life |
| 12Li | 9 | Unstable |
| 13Li | 10 | Unstable |