Polonyum izotopları
İzotoplar

| Nüklit | Tarihî adı | Z | N | İzotop kütlesi (Da) | Yarı ömür | Bozunma türü | Yavru izotop | Spin ve parite | İzotop çokluğu |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 186Po |  | 84 | 102 | 186,0044(18) | 34(12) μs  | α | 182Pb | 0+ |  |
| 187Po |  | 84 | 103 | 187,00304(30) | 1,40(0,25) ms  | α | 183Pb | (1/2-), (5/2-) |  |
| 187mPo |  | 4(27) keV | 4(27) keV | 4(27) keV | 0,5 ms |  |  | 13/2+# |  |
| 188Po |  | 84 | 104 | 187,999422(21) | 430(180) μs [0,40(+20-15) ms] | α | 184Pb | 0+ |  |
| 189Po |  | 84 | 105 | 188,998481(24) | 5(1) ms | α | 185Pb | 3/2-# |  |
| 190Po |  | 84 | 106 | 189,995101(14) | 2,46(5) ms | α (%99,9) | 186Pb | 0+ |  |
| 190Po |  | 84 | 106 | 189,995101(14) | 2,46(5) ms | β+ (%0,1) | 190Bi | 0+ |  |
| 191Po |  | 84 | 107 | 190,994574(12) | 22(1) ms | α | 187Pb | 3/2-# |  |
| 191Po |  | 84 | 107 | 190,994574(12) | 22(1) ms | β+ (nadir) | 191Bi | 3/2-# |  |
| 191mPo |  | 130(21) keV | 130(21) keV | 130(21) keV | 93(3) ms |  |  | (13/2+) |  |
| 192Po |  | 84 | 108 | 191,991335(13) | 32,2(3) ms | α (%99) | 188Pb | 0+ |  |
| 192Po |  | 84 | 108 | 191,991335(13) | 32,2(3) ms | β+ (%1) | 192Bi | 0+ |  |
| 192mPo |  | 2600(500)# keV | 2600(500)# keV | 2600(500)# keV | ~1 μs |  |  | 12+# |  |
| 193Po |  | 84 | 109 | 192,99103(4) | 420(40) ms [370(+46-40) ms] | α | 189Pb | 3/2-# |  |
| 193Po |  | 84 | 109 | 192,99103(4) | 420(40) ms [370(+46-40) ms] | β+ (nadir) | 193Bi | 3/2-# |  |
| 193mPo |  | 100(30)# keV | 100(30)# keV | 100(30)# keV | 240(10) ms [243(+11-10) ms] | α | 189Pb | (13/2+) |  |
| 193mPo |  | 100(30)# keV | 100(30)# keV | 100(30)# keV | 240(10) ms [243(+11-10) ms] | β+ (nadir) | 193Bi | (13/2+) |  |
| 194Po |  | 84 | 110 | 193,988186(13) | 0,392(4) s | α | 190Pb | 0+ |  |
| 194Po |  | 84 | 110 | 193,988186(13) | 0,392(4) s | β+ (nadir) | 194Bi | 0+ |  |
| 194mPo |  | 2525(2) keV | 2525(2) keV | 2525(2) keV | 15(2) μs |  |  | (11-) |  |
| 195Po |  | 84 | 111 | 194,98811(4) | 4,64(9) s | α (%75) | 191Pb | 3/2-# |  |
| 195Po |  | 84 | 111 | 194,98811(4) | 4,64(9) s | β+ (%25) | 195Bi | 3/2-# |  |
| 195mPo |  | 110(50) keV | 110(50) keV | 110(50) keV | 1,92(2) s | α (%90) | 191Pb | 13/2+# |  |
| 195mPo |  | 110(50) keV | 110(50) keV | 110(50) keV | 1,92(2) s | β+ (%10) | 195Bi | 13/2+# |  |
| 195mPo |  | 110(50) keV | 110(50) keV | 110(50) keV | 1,92(2) s | İG (%0,01) | 195Po | 13/2+# |  |
| 196Po |  | 84 | 112 | 195,985535(14) | 5,56(12) s | α (%94) | 192Pb | 0+ |  |
| 196Po |  | 84 | 112 | 195,985535(14) | 5,56(12) s | β+ (%6) | 196Bi | 0+ |  |
| 196mPo |  | 2490,5(17) keV | 2490,5(17) keV | 2490,5(17) keV | 850(90) ns |  |  | (11-) |  |
| 197Po |  | 84 | 113 | 196,98566(5) | 53,6(10) s | β+ (%54) | 197Bi | (3/2-) |  |
| 197Po |  | 84 | 113 | 196,98566(5) | 53,6(10) s | α (%44) | 193Pb | (3/2-) |  |
| 197mPo |  | 230(80)# keV | 230(80)# keV | 230(80)# keV | 25,8(1) s | α (%84) | 193Pb | (13/2+) |  |
| 197mPo |  | 230(80)# keV | 230(80)# keV | 230(80)# keV | 25,8(1) s | β+ (%16) | 197Bi | (13/2+) |  |
| 197mPo |  | 230(80)# keV | 230(80)# keV | 230(80)# keV | 25,8(1) s | İG (%0,01) | 197Po | (13/2+) |  |
| 198Po |  | 84 | 114 | 197,983389(19) | 1,77(3) dk | α (%57) | 194Pb | 0+ |  |
| 198Po |  | 84 | 114 | 197,983389(19) | 1,77(3) dk | β+ (%43) | 198Bi | 0+ |  |
| 198m1Po |  | 2565,92(20) keV | 2565,92(20) keV | 2565,92(20) keV | 200(20) ns |  |  | 11- |  |
| 198m2Po |  | 2691,86(20) keV | 2691,86(20) keV | 2691,86(20) keV | 750(50) ns |  |  | 12+ |  |
| 199Po |  | 84 | 115 | 198,983666(25) | 5,48(16) dk | β+ (%92,5) | 199Bi | (3/2-) |  |
| 199Po |  | 84 | 115 | 198,983666(25) | 5,48(16) dk | α (%7,5) | 195Pb | (3/2-) |  |
| 199mPo |  | 312,0(28) keV | 312,0(28) keV | 312,0(28) keV | 4,17(4) dk | β+ (%73,5) | 199Bi | 13/2+ |  |
| 199mPo |  | 312,0(28) keV | 312,0(28) keV | 312,0(28) keV | 4,17(4) dk | α (%24) | 195Pb | 13/2+ |  |
| 199mPo |  | 312,0(28) keV | 312,0(28) keV | 312,0(28) keV | 4,17(4) dk | İG (%2,5) | 199Po | 13/2+ |  |
| 200Po |  | 84 | 116 | 199,981799(15) | 11,5(1) dk | β+ (%88,8) | 200Bi | 0+ |  |
| 200Po |  | 84 | 116 | 199,981799(15) | 11,5(1) dk | α (%11,1) | 196Pb | 0+ |  |
| 201Po |  | 84 | 117 | 200,982260(6) | 15,3(2) dk | β+ (%98,4) | 201Bi | 3/2- |  |
| 201Po |  | 84 | 117 | 200,982260(6) | 15,3(2) dk | α (%1,6) | 197Pb | 3/2- |  |
| 201mPo |  | 424,1(24) keV | 424,1(24) keV | 424,1(24) keV | 8,9(2) dk | İG (%56) | 201Po | 13/2+ |  |
| 201mPo |  | 424,1(24) keV | 424,1(24) keV | 424,1(24) keV | 8,9(2) dk | EY (%41) | 201Bi | 13/2+ |  |
| 201mPo |  | 424,1(24) keV | 424,1(24) keV | 424,1(24) keV | 8,9(2) dk | α (%2,9) | 197Pb | 13/2+ |  |
| 202Po |  | 84 | 118 | 201,980758(16) | 44,7(5) dk | β+ (%98) | 202Bi | 0+ |  |
| 202Po |  | 84 | 118 | 201,980758(16) | 44,7(5) dk | α (%2) | 198Pb | 0+ |  |
| 202mPo |  | 2626,7(7) keV | 2626,7(7) keV | 2626,7(7) keV | >200 ns |  |  | 11- |  |
| 203Po |  | 84 | 119 | 202,981420(28) | 36,7(5) dk | β+ (%99,89) | 203Bi | 5/2- |  |
| 203Po |  | 84 | 119 | 202,981420(28) | 36,7(5) dk | α (%0,11) | 199Pb | 5/2- |  |
| 203m1Po |  | 641,49(17) keV | 641,49(17) keV | 641,49(17) keV | 45(2) s | İG (%99,96) | 203Po | 13/2+ |  |
| 203m1Po |  | 641,49(17) keV | 641,49(17) keV | 641,49(17) keV | 45(2) s | α (%0,04) | 199Pb | 13/2+ |  |
| 203m2Po |  | 2158,5(6) keV | 2158,5(6) keV | 2158,5(6) keV | >200 ns |  |  |  |  |
| 204Po |  | 84 | 120 | 203,980318(12) | 3,53(2) sa | β+ (%99,33) | 204Bi | 0+ |  |
| 204Po |  | 84 | 120 | 203,980318(12) | 3,53(2) sa | α (%0,66) | 200Pb | 0+ |  |
| 205Po |  | 84 | 121 | 204,981203(21) | 1,66(2) sa | β+ (%99,96) | 205Bi | 5/2- |  |
| 205Po |  | 84 | 121 | 204,981203(21) | 1,66(2) sa | α (%0,04) | 201Pb | 5/2- |  |
| 205m1Po |  | 143,166(17) keV | 143,166(17) keV | 143,166(17) keV | 310(60) ns |  |  | 1/2- |  |
| 205m2Po |  | 880,30(4) keV | 880,30(4) keV | 880,30(4) keV | 645 μs |  |  | 13/2+ |  |
| 205m3Po |  | 1461,21(21) keV | 1461,21(21) keV | 1461,21(21) keV | 57,4(9) ms | İG | 205Po | 19/2- |  |
| 205m4Po |  | 3087,2(4) keV | 3087,2(4) keV | 3087,2(4) keV | 115(10) ns |  |  | 29/2- |  |
| 206Po |  | 84 | 122 | 205,980481(9) | 8,8(1) g | β+ (%94,55) | 206Bi | 0+ |  |
| 206Po |  | 84 | 122 | 205,980481(9) | 8,8(1) g | α (%5,45) | 202Pb | 0+ |  |
| 206m1Po |  | 1585,85(11) keV | 1585,85(11) keV | 1585,85(11) keV | 222(10) ns |  |  | (8+)# |  |
| 206m2Po |  | 2262,22(14) keV | 2262,22(14) keV | 2262,22(14) keV | 1,05(6) μs |  |  | (9-)# |  |
| 207Po |  | 84 | 123 | 206,981593(7) | 5,80(2) sa | β+ (%99,97) | 207Bi | 5/2- |  |
| 207Po |  | 84 | 123 | 206,981593(7) | 5,80(2) sa | α (%0,021) | 203Pb | 5/2- |  |
| 207m1Po |  | 68,573(14) keV | 68,573(14) keV | 68,573(14) keV | 205(10) ns |  |  | 1/2- |  |
| 207m2Po |  | 1115,073(16) keV | 1115,073(16) keV | 1115,073(16) keV | 49(4) μs |  |  | 13/2+ |  |
| 207m3Po |  | 1383,15(6) keV | 1383,15(6) keV | 1383,15(6) keV | 2,79(8) s | İG | 207Po | 19/2- |  |
| 208Po |  | 84 | 124 | 207,9812457(19) | 2,898(2) y | α (%99,99) | 204Pb | 0+ |  |
| 208Po |  | 84 | 124 | 207,9812457(19) | 2,898(2) y | β+ (%0,00277) | 208Bi | 0+ |  |
| 209Po |  | 84 | 125 | 208,9824304(20) | 125,2(3,3) y | α (%99,52) | 205Pb | 1/2- |  |
| 209Po |  | 84 | 125 | 208,9824304(20) | 125,2(3,3) y | β+ (%0,48) | 209Bi | 1/2- |  |
| 210Po | Radyum F | 84 | 126 | 209,9828737(13) | 138,376(2) g | α | 206Pb | 0+ | Eser |
| 210mPo |  | 5057,61(4) keV | 5057,61(4) keV | 5057,61(4) keV | 263(5) ns |  |  | 16+ |  |
| 211Po | Actinium C' | 84 | 127 | 210,9866532(14) | 0,516(3) s | α | 207Pb | 9/2+ | Eser |
| 211m1Po |  | 1462(5) keV | 1462(5) keV | 1462(5) keV | 25,2(6) s | α (%99,98) | 207Pb | (25/2+) |  |
| 211m1Po |  | 1462(5) keV | 1462(5) keV | 1462(5) keV | 25,2(6) s | İG (%0,016) | 211Po | (25/2+) |  |
| 211m2Po |  | 2135,7(9) keV | 2135,7(9) keV | 2135,7(9) keV | 243(21) ns |  |  | (31/2-) |  |
| 211m3Po |  | 4873,3(17) keV | 4873,3(17) keV | 4873,3(17) keV | 2,8(7) μs |  |  | (43/2+) |  |
| 212Po | Thorium C' | 84 | 128 | 211,9888680(13) | 299(2) ns | α | 208Pb | 0+ | Eser |
| 212mPo |  | 2911(12) keV | 2911(12) keV | 2911(12) keV | 45,1(6) s | α (%99,93) | 208Pb | (18+) |  |
| 212mPo |  | 2911(12) keV | 2911(12) keV | 2911(12) keV | 45,1(6) s | İG (%0,07) | 212Po | (18+) |  |
| 213Po |  | 84 | 129 | 212,992857(3) | 3,65(4) μs | α | 209Pb | 9/2+ | Eser |
| 214Po | Radyum C' | 84 | 130 | 213,9952014(16) | 164,3(20) μs | α | 210Pb | 0+ | Eser |
| 215Po | Actinium A | 84 | 131 | 214,9994200(27) | 1,781(4) ms | α (%99,99) | 211Pb | 9/2+ | İz |
| 215Po | Actinium A | 84 | 131 | 214,9994200(27) | 1,781(4) ms | β- (%2,3×10−4) | 215At | 9/2+ | İz |
| 216Po | Toryum A | 84 | 132 | 216,0019150(24) | 0,145(2) s | α | 212Pb | 0+ | İz |
| 216Po | Toryum A | 84 | 132 | 216,0019150(24) | 0,145(2) s | β-β- (nadir) | 216Rn | 0+ | İz |
| 217Po |  | 84 | 133 | 217,006335(7) | 1,47(5) s | α (%95) | 213Pb | 5/2+# |  |
| 217Po |  | 84 | 133 | 217,006335(7) | 1,47(5) s | β- (%5) | 217At | 5/2+# |  |
| 218Po | Radyum A | 84 | 134 | 218,0089730(26) | 3,10(1) dk | α (%99,98) | 214Pb | 0+ | İz |
| 218Po | Radyum A | 84 | 134 | 218,0089730(26) | 3,10(1) dk | β- (%0,02) | 218At | 0+ | İz |
| 219Po |  | 84 | 135 | 219,01361(16) | 10,3(1) dk | α (%28,2) | 215Pb | 9/2+# |  |
| 219Po |  | 84 | 135 | 219,01361(16) | 10,3(1) dk | β- (%71,8) | 219At | 9/2+# |  |
| 220Po |  | 84 | 136 | 220,0164(18) | 40# s [>300 ns] | β- | 220At | 0+ |  |
| 221Po |  | 84 | 137 | 221,02123(20) | 2,2(0,7) min | β- | 221At | 9/2+# |  |
| 222Po |  | 84 | 138 | 222,024144(40) | 9,1(7,2) min | β- | 222At | 0+ |  |