H Home Background Color: He Li Be Manganese Main Page Black White Gray B C N O F Ne Na Mg Manganese Pictures Page Al Si P S Cl Ar K Ca Manganese 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 Manganese (click to see decay chain): 44Mn  45Mn  46Mn  47Mn  48Mn  49Mn  50Mn  51Mn  52Mn  53Mn  54Mn  55Mn  56Mn  57Mn  58Mn  59Mn  60Mn  61Mn  62Mn  63Mn  64Mn  65Mn  66Mn  67Mn  68Mn  69Mn

55Mn     Half-life Boson, 25p 30n Stable Spin 5/2 Parity -1 This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it. Atomic Weight 54.938045141 Abundance 1×102% Mass Excess -57.71058MeV Binding Energy 8.764988MeV Magnetic Moment 3.4532 μ Quadrupole Moment 0.33   Show Element Pictures. Show Decay Image Smaller.

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