H Home Background Color: He Li Be Roentgenium Main Page Black White Gray B C N O F Ne Na Mg Roentgenium Pictures Page Al Si P S Cl Ar K Ca Roentgenium 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 Roentgenium (click to see decay chain): 272Rg  273Rg  274Rg  275Rg  276Rg  277Rg  278Rg  279Rg  280Rg  281Rg  282Rg  283Rg

278Rg     Half-life Fermion, 111p 167n 1 s Spin ? Parity ? Hide Decay Modes Probability Mode Decay Energy Daughter Unknown α N/A 274Mt Unknown SF N/A Variable Hide Ultimate Decay Products Yield Nuclide Unknown 172Yb Unknown 205Tl Unknown 152Sm Unknown 208Pb Unknown 206Pb Unknown 180Hf Unknown 176Hf Unknown 156Gd Unknown 168Er Unknown 164Dy Unknown 160Dy Unknown 140Ce Atomic Weight 278.161604 Abundance None Mass Excess 150.533MeV Binding Energy 7.217MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Also show decay chains leading to this isotope. Show only decays with probability >0.1%. 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..