Isotopes of Fluorine
List of known isotopes of the element Fluorine.
| Isotope | t½ | % | Spin/parity | Radius | Isotopic mass | Discovery |
|---|---|---|---|---|---|---|
| 13F | 1.01 ±27 MeV | syn. | (5/2+) | — | 1.304·107 ±537 keV/c2 | — |
| 14F | 910 ±100 keV | syn. | 2- | — | 1.403·107 ±44.14 keV/c2 | 2010 |
| 15F | 660 ±20 keV | syn. | 1/2+ | — | 1.501·107 ±15.02 keV/c2 | 1978 |
| 16F | 40 ±20 keV | syn. | 0- | — | 1.601·107 ±5.758 keV/c2 | 1964 |
| 17F | 64.49 ±16 s | syn. | 5/2+ | — | 1.7·107 ±0.266 keV/c2 | 1934 |
| 18F | 109.7 ±5 m | syn. | 1+ | — | 1.8·107 ±0.497 keV/c2 | 1937 |
| 19F | stab. | 100 % | 1/2+ | 2.897 ±0.0025 fm | 1.899·107 ±8.8·10-4 keV/c2 | 1920 |
| 20F | 11.07 ±6 s | syn. | 2+ | — | 1.999·107 ±0.031 keV/c2 | 1935 |
| 21F | 4.158 ±20 s | syn. | 5/2+ | — | 2.099·107 ±1.932 keV/c2 | 1955 |
| 22F | 4.23 ±4 s | syn. | (4+) | — | 2.2·107 ±13.31 keV/c2 | 1965 |
| 23F | 2.23 ±14 s | syn. | (5/2+) | — | 2.3·107 ±35.77 keV/c2 | 1970 |
| 24F | 382 ±16 ms | syn. | (3+) | — | 2.4·107 ±104.8 keV/c2 | 1970 |
| 25F | 80 ±9 ms | syn. | 5/2+ | — | 2.501·107 ±103.5 keV/c2 | 1970 |
| 26F | 8.2 ±9 ms | syn. | 1+ | — | 2.602·107 ±114.8 keV/c2 | 1979 |
| 27F | 5 ±2 ms | syn. | (5/2+) | — | 2.702·107 ±129 keV/c2 | 1981 |
| 28F | 0.046 as | syn. | — | — | 2.803·107 ±129.1 keV/c2 | 2012 |
| 29F | 2.5 ±3 ms | syn. | — | — | 2.904·107 ±564 keV/c2 | 1989 |
| 30F | stab. | syn. | — | — | 3.005·107 ±537 keV/c2 | — |
| 31F | stab. | syn. | — | — | 3.106·107 ±574 keV/c2 | 1999 |
13FFluorine-13
| Classification | z: 9; n: 4; m: 13 |
|---|---|
| Half life | 1.01 ±27 MeV |
| Natural abundance | synthetic nuclide |
| Spin/parity | (5/2+) |
| Mass excess | 42,030 ±500 keV |
| Binding energy | 4,297 ±38 keV |
| Single-particle energy | -2,728 ±500 keV |
14FFluorine-14
| Classification | z: 9; n: 5; m: 14 |
|---|---|
| Half life | 910 ±100 keV |
| Natural abundance | synthetic nuclide |
| Spin/parity | 2- |
| Discovery | 2010 |
| Mass excess | 31,960 ±41.11 keV |
| Binding energy | 5,285 ±2.937 keV |
| Single-particle energy | -1,560 ±40 keV |
| Neutron separation energy | 18,130 ±502 keV |
| Q value for electron capture | 23,950 ±41.11 keV |
15FFluorine-15
| Classification | z: 9; n: 6; m: 15 |
|---|---|
| Half life | 660 ±20 keV |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1/2+ |
| Decay modes | proton emission |
| Discovery | 1978 |
| Mass excess | 16,560 ±14 keV |
| Binding energy | 6,497 ±0.9333 keV |
| Single-particle energy | -1,270 ±14 keV |
| Neutron separation energy | 23,460 ±43.43 keV |
| Q value for electron capture | 13,710 ±14 keV |
| β⁻ decay energy | -23,650 ±68.13 keV |
16FFluorine-16
| Classification | z: 9; n: 7; m: 16 |
|---|---|
| Half life | 40 ±20 keV |
| Natural abundance | synthetic nuclide |
| Spin/parity | 0- |
| Decay modes | proton emission |
| Discovery | 1964 |
| Mass excess | 10,670 ±5.364 keV |
| Binding energy | 6,964 ±0.3353 keV |
| Single-particle energy | -530.6 ±5.36 keV |
| Neutron separation energy | 13,960 ±14.99 keV |
| Q value for electron capture | 15,410 ±5.364 keV |
| β⁻ decay energy | -13,320 ±21.17 keV |
| β⁻ decay energy with neutron | -37,620 ±66.89 keV |
17FFluorine-17
| Classification | z: 9; n: 8; m: 17 |
|---|---|
| Half life | 64.49 ±16 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 5/2+ |
| Decay modes | electron capture + β⁺ decay |
| Discovery | 1934 |
| Mass excess | 1,951 ±0.248 keV |
| Binding energy | 7,542 ±0.0146 keV |
| Single-particle energy | 600.2 ±0.2479 keV |
| Neutron separation energy | 16,790 ±5.369 keV |
| Q value for electron capture | 2,760 ±0.248 keV |
| β⁻ decay energy | -14,550 ±0.4323 keV |
| β⁻ decay energy with neutron | -30,110 ±20.48 keV |
| Magnetic dipole moment | 4.721 ±3·10-4 μN |
| Electric quadrupole moment | 0.076 ±0.004 b |
18FFluorine-18
| Classification | z: 9; n: 9; m: 18 |
|---|---|
| Half life | 109.7 ±5 m |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1+ |
| Decay modes | electron capture + β⁺ decay |
| Discovery | 1937 |
| Mass excess | 873.1 ±0.463 keV |
| Binding energy | 7,631 ±0.0257 keV |
| Single-particle energy | 5,607 ±0.4633 keV |
| Neutron separation energy | 9,149 ±0.5254 keV |
| Q value for electron capture | 1,655 ±0.463 keV |
| β⁻ decay energy | -4,445 ±0.5888 keV |
| β⁻ decay energy with neutron | -23,700 ±0.5832 keV |
| Magnetic dipole moment | 2.68 ±0.03 μN |
| Electric quadrupole moment | 0.071 ±0.006 b |
19FFluorine-19
| Classification | z: 9; n: 10; m: 19 |
|---|---|
| Half life | stable nuclide |
| Natural abundance | 100 % |
| Spin/parity | 1/2+ |
| Discovery | 1920 |
| Mass excess | -1,488 ±8.2·10-4 keV |
| Binding energy | 7,779 ±2·10-4 keV |
| Single-particle energy | 7,993 ±0.001 keV |
| Neutron separation energy | 10,430 ±0.4633 keV |
| Q value for electron capture | -4,821 ±2.637 keV |
| β⁻ decay energy | -3,240 ±0.1601 keV |
| β⁻ decay energy with neutron | -14,880 ±0.3634 keV |
| Magnetic dipole moment | 2.628 ±4·10-6 μN |
| Electric quadrupole moment | -0.0942 ±9·10-4 b |
20FFluorine-20
| Classification | z: 9; n: 11; m: 20 |
|---|---|
| Half life | 11.07 ±6 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 2+ |
| Decay modes | β⁻ decay |
| Discovery | 1935 |
| Mass excess | -17.47 ±0.03 keV |
| Binding energy | 7,720 ±0.0015 keV |
| Single-particle energy | 10,630 ±2.637 keV |
| Neutron separation energy | 6,601 ±0.0297 keV |
| Q value for electron capture | -3,814 ±0.886 keV |
| β⁻ decay energy | 7,024 ±0.0297 keV |
| β⁻ decay energy with neutron | -9,841 ±0.1628 keV |
| Magnetic dipole moment | 2.093 ±9·10-5 μN |
| Electric quadrupole moment | 0.056 ±0.004 b |
21FFluorine-21
| Classification | z: 9; n: 12; m: 21 |
|---|---|
| Half life | 4.158 ±20 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 5/2+ |
| Decay modes | β⁻ decay |
| Discovery | 1955 |
| Mass excess | -47.61 ±1.8 keV |
| Binding energy | 7,738 ±0.0857 keV |
| Single-particle energy | 11,130 ±2.005 keV |
| Neutron separation energy | 8,101 ±1.8 keV |
| Q value for electron capture | -8,110 ±12.13 keV |
| β⁻ decay energy | 5,684 ±1.8 keV |
| β⁻ decay energy with neutron | -1,077 ±1.8 keV |
| Magnetic dipole moment | 3.919 ±0.0012 μN |
| Electric quadrupole moment | 0.011 ±0.002 b |
22FFluorine-22
| Classification | z: 9; n: 13; m: 22 |
|---|---|
| Half life | 4.23 ±4 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | (4+) |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1965 |
| Mass excess | 2,793 ±12.39 keV |
| Binding energy | 7,624 ±0.5636 keV |
| Single-particle energy | 12,550 ±17.25 keV |
| Neutron separation energy | 5,230 ±12.52 keV |
| Q value for electron capture | -6,490 ±58.25 keV |
| β⁻ decay energy | 10,810 ±12.39 keV |
| β⁻ decay energy with neutron | 453.8 ±12.39 keV |
| Magnetic dipole moment | 2.694 ±4·10-4 μN |
| Electric quadrupole moment | 0.003 ±0.002 b |
23FFluorine-23
| Classification | z: 9; n: 14; m: 23 |
|---|---|
| Half life | 2.23 ±14 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | (5/2+) |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1970 |
| Mass excess | 3,285 ±33.32 keV |
| Binding energy | 7,622 ±1.448 keV |
| Single-particle energy | 13,280 ±65.95 keV |
| Neutron separation energy | 7,579 ±35.55 keV |
| Q value for electron capture | -11,340 ±126.1 keV |
| β⁻ decay energy | 8,439 ±33.32 keV |
| β⁻ decay energy with neutron | 3,238 ±33.32 keV |
24FFluorine-24
| Classification | z: 9; n: 15; m: 24 |
|---|---|
| Half life | 382 ±16 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | (3+) |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1970 |
| Mass excess | 7,544 ±97.67 keV |
| Binding energy | 7,463 ±4.069 keV |
| Single-particle energy | 14,360 ±156 keV |
| Neutron separation energy | 3,812 ±103.1 keV |
| Q value for electron capture | -10,960 ±191.6 keV |
| β⁻ decay energy | 13,490 ±97.67 keV |
| β⁻ decay energy with neutron | 4,627 ±97.67 keV |
25FFluorine-25
| Classification | z: 9; n: 16; m: 25 |
|---|---|
| Half life | 80 ±9 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | 5/2+ |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1970 |
| Mass excess | 11,330 ±96.44 keV |
| Binding energy | 7,336 ±3.857 keV |
| Single-particle energy | 14,450 ±191 keV |
| Neutron separation energy | 4,281 ±137.2 keV |
| Q value for electron capture | -16,000 ±191.1 keV |
| β⁻ decay energy | 13,360 ±100.7 keV |
| β⁻ decay energy with neutron | 9,214 ±96.44 keV |
26FFluorine-26
| Classification | z: 9; n: 17; m: 26 |
|---|---|
| Half life | 8.2 ±9 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1+ |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1979 |
| Mass excess | 18,670 ±107 keV |
| Binding energy | 7,082 ±4.116 keV |
| Single-particle energy | 15,940 ±196.7 keV |
| Neutron separation energy | 730.8 ±144 keV |
| Q value for electron capture | -15,990 ±196.6 keV |
| β⁻ decay energy | 18,190 ±108.6 keV |
| β⁻ decay energy with neutron | 12,630 ±110.8 keV |
27FFluorine-27
| Classification | z: 9; n: 18; m: 27 |
|---|---|
| Half life | 5 ±2 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | (5/2+) |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1981 |
| Mass excess | 25,130 ±120.1 keV |
| Binding energy | 6,879 ±4.451 keV |
| Single-particle energy | 16,810 ±204 keV |
| Neutron separation energy | 1,612 ±59.35 keV |
| β⁻ decay energy | 18,080 ±150.6 keV |
| β⁻ decay energy with neutron | 16,580 ±121.6 keV |
28FFluorine-28
| Classification | z: 9; n: 19; m: 28 |
|---|---|
| Half life | 0.046 as |
| Natural abundance | synthetic nuclide |
| Decay modes | neutron emission |
| Discovery | 2012 |
| Mass excess | 33,400 ±120.3 keV |
| Binding energy | 6,626 ±4.298 keV |
| Single-particle energy | 18,550 ±514 keV |
| Neutron separation energy | -199 ±6 keV |
| Q value for electron capture | -18,680 ±709.2 keV |
| β⁻ decay energy | 22,100 ±174.2 keV |
| β⁻ decay energy with neutron | 18,280 ±150.7 keV |
29FFluorine-29
| Classification | z: 9; n: 20; m: 29 |
|---|---|
| Half life | 2.5 ±3 ms |
| Natural abundance | synthetic nuclide |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1989 |
| Mass excess | 40,150 ±525.3 keV |
| Binding energy | 6,444 ±18.11 keV |
| Single-particle energy | 19,210 ±874 keV |
| Neutron separation energy | 1,324 ±538.9 keV |
| β⁻ decay energy | 21,750 ±546.2 keV |
| β⁻ decay energy with neutron | 20,770 ±540.2 keV |
30FFluorine-30
| Classification | z: 9; n: 21; m: 30 |
|---|---|
| Half life | stable nuclide |
| Natural abundance | synthetic nuclide |
| Mass excess | 48,960 ±500 keV |
| Binding energy | 6,205 ±17 keV |
| Neutron separation energy | -739 ±725 keV |
| β⁻ decay energy | 25,680 ±561 keV |
| β⁻ decay energy with neutron | 22,480 ±522 keV |
31FFluorine-31
| Classification | z: 9; n: 22; m: 31 |
|---|---|
| Half life | stable nuclide |
| Natural abundance | synthetic nuclide |
| Discovery | 1999 |
| Mass excess | 56,840 ±535 keV |
| Binding energy | 6,011 ±17 keV |
| Neutron separation energy | 189 ±732 keV |
| β⁻ decay energy | 25,660 ±597 keV |
| β⁻ decay energy with neutron | 25,490 ±592 keV |