H Home Background Color: He Li Be Rutherfordium Main Page Black White Gray B C N O F Ne Na Mg Rutherfordium Pictures Page Al Si P S Cl Ar K Ca Rutherfordium 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 Rutherfordium (click to see decay chain): 253Rf  254Rf  255Rf  256Rf  257Rf  258Rf  259Rf  260Rf  261Rf  262Rf  263Rf  264Rf  265Rf  266Rf  267Rf  268Rf

257Rf     Half-life Fermion, 104p 153n 4.7 s Spin 1/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 88% α 9.0439MeV 253No 11% β+ 2.177MeV 257Lr 1.4% SF N/A Variable Show Ultimate Decay Products Atomic Weight 257.10299 Abundance None Mass Excess 95.934MeV Binding Energy 7.381MeV 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..