H Home Background Color: He Li Be Seaborgium Main Page Black White Gray B C N O F Ne Na Mg Seaborgium Pictures Page Al Si P S Cl Ar K Ca Seaborgium 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 Seaborgium (click to see decay chain): 258Sg  259Sg  260Sg  261Sg  262Sg  263Sg  264Sg  265Sg  266Sg  267Sg  268Sg  269Sg  270Sg  271Sg  272Sg  273Sg

261Sg     Half-life Fermion, 106p 155n 230 ms Spin 7/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% α 9.803MeV 257Rf 1% SF N/A Variable Hide Ultimate Decay Products Yield Nuclide 99.47603334422% 205Tl 6.900124306542×10-10% 207Pb Atomic Weight 261.116117 Abundance None Mass Excess 108.162MeV Binding Energy 7.339MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Also show decay chains leading to this isotope. Show all decays, even very low-probability. 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..