H Home Background Color: He Li Be Berkelium Main Page Black White Gray B C N O F Ne Na Mg Berkelium Pictures Page Al Si P S Cl Ar K Ca Berkelium 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 Berkelium (click to see decay chain): 235Bk  236Bk  237Bk  238Bk  239Bk  240Bk  241Bk  242Bk  243Bk  244Bk  245Bk  246Bk  247Bk  248Bk  249Bk  250Bk  251Bk  252Bk  253Bk  254Bk

251Bk     Half-life Boson, 97p 154n 55.66666666667 m Spin 3/2 Parity -1 Show Decay Modes Hide Ultimate Decay Products Yield Nuclide 100.276313667% 207Pb 8.900000000048×10-8% 205Tl 8.00001071204×10-10% 206Pb 9.900000000049×10-13% 208Pb Atomic Weight 251.080760172 Abundance None Mass Excess 75.227617MeV Binding Energy 7.469264MeV 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..