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

243Am     Half-life Boson, 95p 148n 7388.381532217 y Spin 5/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% α 5.43881MeV 239Np 3.7×10-9% SF N/A Variable Show Ultimate Decay Products Atomic Weight 243.06138108 Abundance None Mass Excess 57.176109MeV Binding Energy 7.530169MeV Magnetic Moment 1.53 μ Quadrupole Moment 4.3   Show Element Pictures. Show only decay products of this isotope. Show Decay Image Full Size.

Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..