H Home Background Color: He Li Be Lawrencium Main Page Black White Gray B C N O F Ne Na Mg Lawrencium Pictures Page Al Si P S Cl Ar K Ca Lawrencium 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 Lawrencium (click to see decay chain): 251Lr  252Lr  253Lr  254Lr  255Lr  256Lr  257Lr  258Lr  259Lr  260Lr  261Lr  262Lr  263Lr  264Lr  265Lr  266Lr

257Lr     Half-life Boson, 103p 154n 646 ms Spin 9/2 Parity 1 Show Decay Modes Show Ultimate Decay Products Atomic Weight 257.099555 Abundance None Mass Excess 92.735MeV Binding Energy 7.397MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Show only decay products of this isotope. 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..