H Home Background Color: He Li Be Fluorine Main Page Black White Gray B C N O F Ne Na Mg Fluorine Pictures Page Al Si P S Cl Ar K Ca Fluorine Technical Data Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Isotopes of Fluorine (click to see decay chain): 14F  15F  16F  17F  18F  19F  20F  21F  22F  23F  24F  25F  26F  27F  28F  29F  30F  31F

21F     Half-life Boson, 9p 12n 4.158 s Spin 5/2 Parity 1 Show Decay Modes Hide Ultimate Decay Products Yield Nuclide 100% 21Ne Atomic Weight 20.999948951 Abundance None Mass Excess -0.047551MeV Binding Energy 7.73829MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Also show decay chains leading to this isotope. Show only decays with probability >0.1%.

Click any isotope in diagram to see its data. Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..