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. Show only decay products of this isotope.

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