H Home Background Color: He Li Be Francium Main Page Black White Gray B C N O F Ne Na Mg Francium Pictures Page Al Si P S Cl Ar K Ca Francium 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 Francium (click to see decay chain): 199Fr  200Fr  201Fr  202Fr  203Fr  204Fr  205Fr  206Fr  207Fr  208Fr  209Fr  210Fr  211Fr  212Fr  213Fr  214Fr  215Fr  216Fr  217Fr  218Fr  219Fr  220Fr  221Fr  222Fr  223Fr  224Fr  225Fr  226Fr  227Fr  228Fr  229Fr  230Fr  231Fr  232Fr

211Fr     Half-life Boson, 87p 124n 3.1 m Spin 9/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 80% α 6.65998MeV 207At 20% β+ 3.5757MeV 211Rn Hide Ultimate Decay Products Yield Nuclide 93.12% 207Pb 6.896506% 203Tl 6.88×10-7% 199Hg Atomic Weight 210.995536544 Abundance None Mass Excess -4.157682MeV Binding Energy 7.768443MeV Magnetic Moment 4 μ Quadrupole Moment -0.19   Show Element Pictures. Also show decay chains leading to this isotope. Show only decays with probability >0.1%.

Click any isotope in diagram to see its data. Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..