H Home Background Color: He Li Be Americium Main Page Black White Gray B C N O F Ne Na Mg Americium Pictures Page Al Si P S Cl Ar K Ca Americium 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 Americium (click to see decay chain): 231Am  232Am  233Am  234Am  235Am  236Am  237Am  238Am  239Am  240Am  241Am  242Am  243Am  244Am  245Am  246Am  247Am  248Am  249Am

241Am     Half-life Boson, 95p 146n 432.5215626585 y Spin 5/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% α 5.63782MeV 237Np 4.3×10-10% SF N/A Variable 7.4×10-14% 34Si N/A 207Tl Hide Ultimate Decay Products Yield Nuclide 100.0128000001% 205Tl 6.9373576×10-10% 207Pb Atomic Weight 241.056829144 Abundance None Mass Excess 52.936008MeV Binding Energy 7.543272MeV Magnetic Moment 1.61 μ Quadrupole Moment 4.3   Show Isotope Symbols. Also show decay chains leading to this isotope. Show only decays with probability >0.1%. 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..