H Home Background Color: He Li Be Cobalt Main Page Black White Gray B C N O F Ne Na Mg Cobalt Pictures Page Al Si P S Cl Ar K Ca Cobalt 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 Cobalt (click to see decay chain): 47Co  48Co  49Co  50Co  51Co  52Co  53Co  54Co  55Co  56Co  57Co  58Co  59Co  60Co  61Co  62Co  63Co  64Co  65Co  66Co  67Co  68Co  69Co  70Co  71Co  72Co  73Co  74Co  75Co

55Co     Half-life Boson, 27p 28n 17.53055555556 h Spin 7/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β+ 2.429611MeV 55Fe Show Ultimate Decay Products Atomic Weight 54.941999029 Abundance None Mass Excess -54.027557MeV Binding Energy 8.669575MeV Magnetic Moment 4.822 μ Quadrupole Moment N/A   Show Element Pictures. 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..