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

242Am     Half-life Fermion, 95p 147n 16.01944444444 h Spin 1 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 82.7% β- 664.467keV 242Cm 17.3% ϵ 751.295keV 242Pu Hide Ultimate Decay Products Yield Nuclide 100.0441587591% 206Pb 1.890378000001×10-6% 205Tl 2.600113097001×10-9% 208Pb 6.357976519359×10-17% 160Dy 4.17140826457×10-21% 140Ce Unknown 172Yb Unknown 152Sm Unknown 180Hf Unknown 176Hf Unknown 156Gd Unknown 168Er Unknown 164Dy Atomic Weight 242.059549159 Abundance None Mass Excess 55.469685MeV Binding Energy 7.534984MeV Magnetic Moment 0.3879 μ Quadrupole Moment -2.4   Show Element Pictures. Show only decay products of this isotope. 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..