نظائر البولونيوم
جدول

| رمزالنويدة | الاسم | Zبروتون> طاقة الإثارة | Nنيترون> طاقة الإثارة |   كتلة النظير (u)  > طاقة الإثارة | عمر النصف | الإضمحلال | نواة وليدة | لف مغزلي للنواة |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 188Po |  | 84 | 104 | 187.999422(21) | 430(180) µs 0.40(+20-15) ms |  |  | 0+ |  |  |
| 189Po |  | 84 | 105 | 188.998481(24) | 5(1) ms |  |  | 3/2-# |  |  |
| 190Po |  | 84 | 106 | 189.995101(14) | 2.46(5) ms | اضمحلال ألفا (99.9%) | 186Pb | 0+ |  |  |
| 190Po |  | 84 | 106 | 189.995101(14) | 2.46(5) ms | اضمحلال بيتا (.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+ | 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+ | 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+ | 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+ | 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 | .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 | .01% | 197Po | (13/2+) |  |  |
| 198Po |  | 84 | 114 | 197.983389(19) | 1.77(3) min | α 57% | 194Pb | 0+ |  |  |
| 198Po |  | 84 | 114 | 197.983389(19) | 1.77(3) min | 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) min | β+ 92.5% | 199Bi | (3/2-) |  |  |
| 199Po |  | 84 | 115 | 198.983666(25) | 5.48(16) min | α 7.5% | 195Pb | (3/2-) |  |  |
| 199mPo |  | 312.0(28) keV | 312.0(28) keV | 312.0(28) keV | 4.17(4) min | β+ 73.5% | 199Bi | 13/2+ |  |  |
| 199mPo |  | 312.0(28) keV | 312.0(28) keV | 312.0(28) keV | 4.17(4) min | α 24% | 195Pb | 13/2+ |  |  |
| 199mPo |  | 312.0(28) keV | 312.0(28) keV | 312.0(28) keV | 4.17(4) min | 2.5% | 199Po | 13/2+ |  |  |
| 200Po |  | 84 | 116 | 199.981799(15) | 11.5(1) min | β+ 88.8% | 200Bi | 0+ |  |  |
| 200Po |  | 84 | 116 | 199.981799(15) | 11.5(1) min | α 11.1% | 196Pb | 0+ |  |  |
| 201Po |  | 84 | 117 | 200.982260(6) | 15.3(2) min | β+ 98.4% | 201Bi | 3/2- |  |  |
| 201Po |  | 84 | 117 | 200.982260(6) | 15.3(2) min | α 1.6% | 197Pb | 3/2- |  |  |
| 201mPo |  | 424.1(24) keV | 424.1(24) keV | 424.1(24) keV | 8.9(2) min | 56% | 201Po | 13/2+ |  |  |
| 201mPo |  | 424.1(24) keV | 424.1(24) keV | 424.1(24) keV | 8.9(2) min | 41% | 201Bi | 13/2+ |  |  |
| 201mPo |  | 424.1(24) keV | 424.1(24) keV | 424.1(24) keV | 8.9(2) min | α 2.9% | 197Pb | 13/2+ |  |  |
| 202Po |  | 84 | 118 | 201.980758(16) | 44.7(5) min | β+ 98% | 202Bi | 0+ |  |  |
| 202Po |  | 84 | 118 | 201.980758(16) | 44.7(5) min | 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) min | β+ 99.89% | 203Bi | 5/2- |  |  |
| 203Po |  | 84 | 119 | 202.981420(28) | 36.7(5) min | α (.11%) | 199Pb | 5/2- |  |  |
| 203m1Po |  | 641.49(17) keV | 641.49(17) keV | 641.49(17) keV | 45(2) s | 99.96% | 203Po | 13/2+ |  |  |
| 203m1Po |  | 641.49(17) keV | 641.49(17) keV | 641.49(17) keV | 45(2) s | α.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) h | β+ 99.33% | 204Bi | 0+ |  |  |
| 204Po |  | 84 | 120 | 203.980318(12) | 3.53(2) h | α.66% | 200Pb | 0+ |  |  |
| 205Po |  | 84 | 121 | 204.981203(21) | 1.66(2) h | β+ 99.96% | 205Bi | 5/2- |  |  |
| 205Po |  | 84 | 121 | 204.981203(21) | 1.66(2) h | α.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 |  | 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) d | β+ 94.55% | 206Bi | 0+ |  |  |
| 206Po |  | 84 | 122 | 205.980481(9) | 8.8(1) d | 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) h | β+ 99.97% | 207Bi | 5/2- |  |  |
| 207Po |  | 84 | 123 | 206.981593(7) | 5.80(2) h | α.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 | IT | 207Po | 19/2- |  |  |
| 208Po |  | 84 | 124 | 207.9812457(19) | 2.898(2) a | α 99.99% | 204Pb | 0+ |  |  |
| 208Po |  | 84 | 124 | 207.9812457(19) | 2.898(2) a | β+.00277% | 208Bi | 0+ |  |  |
| 209Po |  | 84 | 125 | 208.9824304(20) | 102(5) a | α 99.52% | 205Pb | 1/2- |  |  |
| 209Po |  | 84 | 125 | 208.9824304(20) | 102(5) a | β+.48% | 209Bi | 1/2- |  |  |
| 210Po | Radium F | 84 | 126 | 209.9828737(13) | 138.376(2) d | α | 206Pb | 0+ |  |  |
| 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+ |  |  |
| 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 | .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+ |  |  |
| 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 | .07% | 212Po | (18+) |  |  |
| 213Po |  | 84 | 129 | 212.992857(3) | 3.65(4) µs | α | 209Pb | 9/2+ |  |  |
| 214Po | Radium C' | 84 | 130 | 213.9952014(16) | 164.3(20) µs | α | 210Pb | 0+ |  |  |
| 215Po | Actinium A | 84 | 131 | 214.9994200(27) | 1.781(4) ms | α 99.99% | 211Pb | 9/2+ |  |  |
| 215Po | Actinium A | 84 | 131 | 214.9994200(27) | 1.781(4) ms | β- (2.3×10−4%) | 215At | 9/2+ |  |  |
| 216Po | Thorium A | 84 | 132 | 216.0019150(24) | 0.145(2) s | α | 212Pb | 0+ |  |  |
| 216Po | Thorium A | 84 | 132 | 216.0019150(24) | 0.145(2) s | β- | 216Rn | 0+ |  |  |
| 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 | Radium A | 84 | 134 | 218.0089730(26) | 3.10(1) min | α 99.98% | 214Pb | 0+ |  |  |
| 218Po | Radium A | 84 | 134 | 218.0089730(26) | 3.10(1) min | β- (.02%) | 218At | 0+ |  |  |
| 219Po |  | 84 | 135 | 219.01374(39)# | 2# min >300 ns |  |  | 7/2+# |  |  |
| 220Po |  | 84 | 136 | 220.01660(39)# | 40# s >300 ns |  |  | 0+ |  |  |