nuclide
symbol
Z(p) N(n)  
isotopic mass (u)[7]
 
half-life decay mode(s)[4] daughter
isotope(s)[n 1]
nuclear
spin and
parity
representative
isotopic
composition
(mole fraction)
range of natural
variation
(mole fraction)
excitation energy
14F 9 5 14.03432(4) 500(60)×10−24 s
[910 keV]
p 13O 2-
15F 9 6 15.017785(15) 1.1(0.3)×10−21 s
[1.0(2) MeV]
p 14O 1/2+
16F 9 7 16.011466(9) 11(6)×10−21 s
[40(20) keV]
p 15O 0−
17F 9 8 17.00209524(27) 64.370(27) s β+ 17O 5/2+
18F[n 2] 9 9 18.0009373(5) 109.739(9) min β+ (96.86%) 18O 1+
EC (3.14%)[5] 18O
18mF 1121.36(15) keV 162(7) ns IT 18F 5+
19F 9 10 18.9984031629(9) Stable 1/2+ 1.0000
20F 9 11 19.99998125(3) 11.163(8) s β 20Ne 2+
21F 9 12 20.9999489(19) 4.158(20) s β 21Ne 5/2+
22F 9 13 22.002999(13) 4.23(4) s β (89%) 22Ne (4+)
βn (11%) 21Ne
23F 9 14 23.00353(4) 2.23(14) s β (86%) 23Ne 5/2+
βn (14%) 22Ne
24F 9 15 24.00810(10) 384(16) ms β (94.1%) 24Ne 3+
βn (5.9%) 23Ne
25F 9 16 25.01217(10) 80(9) ms β (76.9%) 25Ne (5/2+)
βn (23.1%) 24Ne
26F 9 17 26.02002(12) 8.2(9) ms β (86.5%) 26Ne 1+
βn (13.5%) 25Ne
26mF 643.4(1) keV 2.2(1) ms IT (82%) 26F (4+)
βn (12%) 25Ne
βn (6%) 26Ne
27F 9 18 27.02732(42) 4.9(2) ms β, n (77%) 26Ne 5/2+#
β (23%) 27Ne
28F 9 19 28.03622(42) 46×10-21 s n 27F
29F 9 20 29.04310(56) 2.5(3) ms β, n (60%) 28Ne 5/2+#
β (40%) 29Ne
31F 9 22 31.06027(59)# 1# ms [>260 ns] β 31Ne 5/2+#