9-Fluorine

 Nuclide      weight or level energy         spin & parity  abundance  half-life      sig(J32) sig(J33) sig(J40) 
-----------------------------------------------------------------------------------------------------------------
 F-nat      18.9984032     +- 0.0000005                                                                   XXX    
 F- 16      16.011465724   +- 0.000008932    0-                        1.0E-19S                                  
 F- 17      17.002095237   +- 0.000000266    5/2+                      64.49S 16                                 
 F- 18      18.000937325   +- 0.000000497    1+                        109.77M 5                                 
 F- 19      18.99840316273 +- 0.00000000092  1/2+           100        stable           XXX      XXX      XXX    
 F- 20      19.999981252   +- 0.000000031    2+                        11.163S 8                                 
 F- 21      20.999948890   +- 0.000001932    5/2+                      4.158S 20                                 
 F- 22      22.002998814   +- 0.000013310    (4+)                      4.23S 4                                   
 F- 23      23.003553000   +- 0.000107500    5/2+                      2.23S 13                                  
 F- 24      24.008115485   +- 0.000077598    (1,2,3)+                  390MS 70                                  
 F- 25      25.012199229   +- 0.000081022    (5/2+)                    50MS 6                                    
 F- 26      26.020037768   +- 0.000082963    1+                        9.6MS 8                                   
 F- 27      27.026441000   +- 0.000204000    5/2+                      5.2MS 3                                   
 F- 29      29.042890      +- 0.000620       5/2+                      2.4MS 4                                   
 F- 31      31.060059      +- 0.000641                                 unknown                                   
-----------------------------------------------------------------------------------------------------------------