H Home Background Color: He Li Be Bismuth Main Page Black White Gray B C N O F Ne Na Mg Bismuth Pictures Page Al Si P S Cl Ar K Ca Bismuth 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 Bismuth (click to see decay chain): 184Bi  185Bi  186Bi  187Bi  188Bi  189Bi  190Bi  191Bi  192Bi  193Bi  194Bi  195Bi  196Bi  197Bi  198Bi  199Bi  200Bi  201Bi  202Bi  203Bi  204Bi  205Bi  206Bi  207Bi  208Bi  209Bi  210Bi  211Bi  212Bi  213Bi  214Bi  215Bi  216Bi  217Bi  218Bi  219Bi

187Bi     Half-life Boson, 83p 104n 32 ms Spin 9/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 50% α 7.789MeV 183Tl Unknown β+ 7.5843MeV 187Pb Show Ultimate Decay Products Atomic Weight 186.993157835 Abundance None Mass Excess -6.373435MeV Binding Energy 7.758155MeV Magnetic Moment N/A 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..