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 Hide Decay Modes Probability Mode Decay Energy Daughter 100% ϵ 231.212keV 55Mn 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. 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..