H Home Background Color: He Li Be Radon Main Page Black White Gray B C N O F Ne Na Mg Radon Pictures Page Al Si P S Cl Ar K Ca Radon 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 Radon (click to see decay chain): 195Rn  196Rn  197Rn  198Rn  199Rn  200Rn  201Rn  202Rn  203Rn  204Rn  205Rn  206Rn  207Rn  208Rn  209Rn  210Rn  211Rn  212Rn  213Rn  214Rn  215Rn  216Rn  217Rn  218Rn  219Rn  220Rn  221Rn  222Rn  223Rn  224Rn  225Rn  226Rn  227Rn  228Rn

221Rn     Half-life Fermion, 86p 135n 25 m Spin 7/2 Parity 1 Show Decay Modes Show Ultimate Decay Products Atomic Weight 221.015536782 Abundance None Mass Excess 14.47242MeV Binding Energy 7.701388MeV Magnetic Moment -0.02 μ Quadrupole Moment -0.38   Show Element Pictures. Show only decay products of this isotope.

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