H Home Background Color: He Li Be Lead Main Page Black White Gray B C N O F Ne Na Mg Lead Pictures Page Al Si P S Cl Ar K Ca Lead 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 Lead (click to see decay chain): 178Pb  179Pb  180Pb  181Pb  182Pb  183Pb  184Pb  185Pb  186Pb  187Pb  188Pb  189Pb  190Pb  191Pb  192Pb  193Pb  194Pb  195Pb  196Pb  197Pb  198Pb  199Pb  200Pb  201Pb  202Pb  203Pb  204Pb  205Pb  206Pb  207Pb  208Pb  209Pb  210Pb  211Pb  212Pb  213Pb  214Pb  215Pb

209Pb     Half-life Fermion, 82p 127n 3.252777777778 h Spin 9/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 644.02keV 209Bi Show Ultimate Decay Products Atomic Weight 208.98109012 Abundance None Mass Excess -17.61444MeV Binding Energy 7.848647MeV Magnetic Moment -1.4735 μ Quadrupole Moment -0.27   Show Isotope Symbols. 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..