It's Elemental
Isotopes of the Element Fluorine
Fluorine
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 With A Known Natural Abundance
| Mass Number | Natural Abundance | Half-life |
| 19 | 100% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 14 | No Data Available | Proton Emission | No Data Available |
| 15 | 4.557×10-22 seconds | Proton Emission | 100.00% |
| 16 | 1.139×10-20 seconds | Proton Emission | 100.00% |
| 17 | 64.49 seconds | Electron Capture | 100.00% |
| 18 | 109.77 minutes | Electron Capture | 100.00% |
| 19 | STABLE | - | - |
| 20 | 11.07 seconds | Beta-minus Decay | 100.00% |
| 21 | 4.158 seconds | Beta-minus Decay | 100.00% |
| 22 | 4.23 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | < 11.00% | ||
| 23 | 2.23 seconds | Beta-minus Decay | 100.00% |
| 24 | 390 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | < 5.90% | ||
| 25 | 80 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 23.10% | ||
| 26 | 9.7 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 11.00% | ||
| 27 | 5.0 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 77.00% | ||
| 28 | < 40 nanoseconds | No Data Available | No Data Available |
| 29 | 2.5 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 100.00% | ||
| 30 | No Data Available | Neutron Emission | No Data Available |
| 31 | > 250 nanoseconds | Beta-minus Decay with delayed Neutron Emission | No Data Available |
| Beta-minus Decay | No Data Available |
Citation and linking information
For questions about this page, please contact Carol McKisson.