H Home Background Color: He Li Be Carbon Main Page Black White Gray B C N O F Ne Na Mg Carbon Pictures Page Al Si P S Cl Ar K Ca Carbon 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 Carbon (click to see decay chain): 8C  9C  10C  11C  12C  13C  14C  15C  16C  17C  18C  19C  20C  21C  22C

21C     Half-life Fermion, 6p 15n 29.99999999998 ns Spin 1/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter Unknown n 331keV 20C Hide Ultimate Decay Products Yield Nuclide Unknown 18O Unknown 20Ne Unknown 19F Atomic Weight 21.04934 Abundance None Mass Excess 45.96MeV Binding Energy 5.659MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Also show decay chains leading to this isotope. Show all decays, even very low-probability.

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