H Home Background Color: He Li Be Iron Main Page Black White Gray B C N O F Ne Na Mg Iron Pictures Page Al Si P S Cl Ar K Ca Iron 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 Iron (click to see decay chain): 45Fe  46Fe  47Fe  48Fe  49Fe  50Fe  51Fe  52Fe  53Fe  54Fe  55Fe  56Fe  57Fe  58Fe  59Fe  60Fe  61Fe  62Fe  63Fe  64Fe  65Fe  66Fe  67Fe  68Fe  69Fe  70Fe  71Fe  72Fe

55Fe     Half-life Fermion, 26p 29n 2.737 y Spin 3/2 Parity -1 Show Decay Modes Hide Ultimate Decay Products Yield Nuclide 100% 55Mn Atomic Weight 54.938293357 Abundance None Mass Excess -57.479368MeV Binding Energy 8.74656MeV 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..