H Home Background Color: He Li Be Polonium Main Page Black White Gray B C N O F Ne Na Mg Polonium Pictures Page Al Si P S Cl Ar K Ca Polonium 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 Polonium (click to see decay chain): 188Po  189Po  190Po  191Po  192Po  193Po  194Po  195Po  196Po  197Po  198Po  199Po  200Po  201Po  202Po  203Po  204Po  205Po  206Po  207Po  208Po  209Po  210Po  211Po  212Po  213Po  214Po  215Po  216Po  217Po  218Po  219Po  220Po

209Po     Half-life Fermion, 84p 125n 102.1055301877 y Spin 1/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% α 4.97923MeV 205Pb 0.47% β+ 870.32keV 209Bi Show Ultimate Decay Products Atomic Weight 208.982430435 Abundance None Mass Excess -16.365944MeV Binding Energy 7.835187MeV Magnetic Moment 0.77 μ Quadrupole Moment N/A   Show Element Pictures. Also show decay chains leading to this isotope. Show all decays, even very low-probability.

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