Po
Polonium
Z 84 209.0 g/molMetalloid Radioactive
| 186Po | 102 | 186.0044 | 4,102.0 | --- | 34.0 µs | 0+ | α→182Pb(100%) p→185Bi | 2005 |
| 187Po | 103 | 187.003 | 2,820.0 | --- | 1.4 ms | 1/2- | α→183Pb(100%) β⁺→187Bi | 2005 |
| 187mPo | 103 | 187.003 | 2,830.0 | --- | 500.0 µs | (13/2+) | α→183Pb(100%) β⁺→187Bi | 2006 |
| 188Po | 104 | 187.9994 | -544.0 | --- | 270.0 µs | 0+ | α→184Pb(100%) β⁺→188Bi | 1999 |
| 189Po | 105 | 188.9985 | -1,422.0 | --- | 3.5 ms | (5/2-) | α→185Pb(100%) β⁺→189Bi | 1999 |
| 190Po | 106 | 189.9951 | -4,563.0 | --- | 2.45 ms | 0+ | α→186Pb(100%) β⁺→190Bi | 1996 |
| 191Po | 107 | 190.9946 | -5,069.0 | --- | 22.0 ms | 3/2- | α→187Pb(100%) β⁺→191Bi | 1993 |
| 191mPo | 107 | 190.9946 | -5,008.0 | --- | 93.0 ms | 13/2+ | α→187Pb(100%) β⁺→191Bi | 1999 |
| 192Po | 108 | 191.9913 | -8,066.0 | --- | 32.2 ms | 0+ | α→188Pb(100%) β⁺→192Bi | 1977 |
| 192mPo | 108 | 191.9938 | -5,771.0 | --- | 580.0 ns | 11- | γ→192Po(100%) | 1999 |
| 193Po | 109 | 192.9911 | -8,325.0 | --- | 399.0 ms | 3/2- | α→189Pb(100%) β⁺→193Bi | 1967 |
| 193mPo | 109 | 192.9912 | -8,225.0 | --- | 245.0 ms | 13/2+ | α→189Pb(100%) β⁺→193Bi | 1981 |
| 194Po | 110 | 193.9882 | -11,005.0 | --- | 392.0 ms | 0+ | α→190Pb(100%) β⁺→194Bi | 1967 |
| 194mPo | 110 | 193.9907 | -8,692.0 | --- | 12.9 µs | (10-) | γ→194Po(100%) | 1999 |
| 195Po | 111 | 194.9881 | -11,117.0 | --- | 4.64 s | 3/2- | α→191Pb(94%) β⁺→195Bi | 1967 |
| 195mPo | 111 | 194.9882 | -10,968.0 | --- | 1.92 s | 13/2+ | α→191Pb(100%) β⁺→195Bi γ→195Po | 1967 |
| 196Po | 112 | 195.9855 | -13,469.0 | --- | 5.63 s | 0+ | α→192Pb(94%) β⁺→196Bi | 1967 |
| 196mPo | 112 | 195.9882 | -10,975.0 | --- | 856.0 ns | 11- | γ→196Po(100%) | 1995 |
| 197Po | 113 | 196.9856 | -13,393.0 | --- | 53.6 s | (3/2-) | α→193Pb(44%) β⁺→197Bi | 1965 |
| 197mPo | 113 | 196.9858 | -13,197.0 | --- | 25.8 s | 13/2+ | α→193Pb(84%) β⁺→197Bi γ→197Po | 1967 |
| 198Po | 114 | 197.9834 | -15,473.0 | --- | 1.76 m | 0+ | α→194Pb(57%) β⁺→198Bi(43%) | 1965 |
| 198mPo | 114 | 197.9861 | -12,907.0 | --- | 200.0 ns | 11- | γ→198Po(100%) | 1990 |
| 198nPo | 114 | 197.9863 | -12,730.0 | --- | 750.0 ns | 12+ | γ→198Po(100%) | 1990 |
| 199Po | 115 | 198.9836 | -15,239.0 | --- | 5.47 m | 3/2- | β⁺→199Bi(92.5%) α→195Pb(7.5%) | 1965 |
| 199mPo | 115 | 198.984 | -14,927.0 | --- | 4.17 m | 13/2+ | β⁺→199Bi(73.5%) α→195Pb(24%) γ→199Po(2.5%) | 1964 |
| 200Po | 116 | 199.9818 | -16,942.0 | --- | 11.51 m | 0+ | β⁺→200Bi(88.9%) α→196Pb(11.1%) | 1951 |
| 200mPo | 116 | 199.9846 | -14,346.0 | --- | 100.0 ns | 11- | γ→200Po(100%) | 1985 |
| 200nPo | 116 | 199.9848 | -14,125.0 | --- | 268.0 ns | 12+ | γ→200Po(100%) | 1985 |
| 201Po | 117 | 200.9823 | -16,521.0 | --- | 15.6 m | 3/2- | β⁺→201Bi(98.87%) α→197Pb(1.13%) | 1951 |
| 201mPo | 117 | 200.9827 | -16,097.0 | --- | 8.96 m | 13/2+ | γ→201Po(56.2%) β⁺→201Bi(41.4%) α→197Pb(2.4%) | 1962 |
| 202Po | 118 | 201.9807 | -17,942.0 | --- | 44.6 m | 0+ | β⁺→202Bi(98.08%) α→198Pb(1.92%) | 1951 |
| 202mPo | 118 | 201.9826 | -16,230.0 | --- | 110.0 ns | 8+ | γ→202Po(100%) | 1971 |
| 203Po | 119 | 202.9814 | -17,311.0 | --- | 36.7 m | 5/2- | β⁺→203Bi(99.89%) α→199Pb(0.11%) | 1951 |
| 203mPo | 119 | 202.9821 | -16,669.0 | --- | 45.0 s | 13/2+ | γ→203Po(100%) α→199Pb | 1969 |
| 203nPo | 119 | 202.9837 | -15,153.0 | --- | --- | --- | γ→203Po(100%) | 1986 |
| 204Po | 120 | 203.9803 | -18,341.0 | --- | 3.52 h | 0+ | β⁺→204Bi(99.33%) α→200Pb(0.67%) | 1951 |
| 204mPo | 120 | 203.9821 | -16,702.0 | --- | 158.6 ns | 8+ | γ→204Po(100%) | 1970 |
| 205Po | 121 | 204.9812 | -17,521.0 | --- | 1.74 h | 5/2- | β⁺→205Bi(99.96%) α→201Pb(0.04%) | 1951 |
| 205mPo | 121 | 204.9813 | -17,378.0 | --- | 310.0 ns | 1/2- | γ→205Po(100%) | 1960 |
| 205nPo | 121 | 204.9821 | -16,641.0 | --- | 645.0 µs | 13/2+ | γ→205Po(100%) | 1962 |
| 206Po | 122 | 205.9805 | -18,189.0 | --- | 8.8 d | 0+ | β⁺→206Bi(94.55%) α→202Pb(5.45%) | 1947 |
| 206mPo | 122 | 205.9822 | -16,603.0 | --- | 232.0 ns | 8+ | γ→206Po(100%) | 1970 |
| 206nPo | 122 | 205.9829 | -15,927.0 | --- | 1.05 µs | 9- | γ→206Po(100%) | 1970 |
| 207Po | 123 | 206.9816 | -17,146.0 | --- | 5.8 h | 5/2- | β⁺→207Bi(~100%) α→203Pb(0.021%) | 1947 |
| 207mPo | 123 | 206.9817 | -17,077.0 | --- | 205.0 ns | 1/2- | γ→207Po(100%) | 1963 |
| 207nPo | 123 | 206.9828 | -16,031.0 | --- | 49.0 µs | 13/2+ | γ→207Po(100%) | 1962 |
| 208Po | 124 | 207.9812 | -17,469.2 | --- | 2.9 y | 0+ | α→204Pb(~100%) β⁺→208Bi(0.004%) | 1947 |
| 208mPo | 124 | 207.9829 | -15,941.0 | --- | 373.0 ns | 8+ | γ→208Po(100%) | 1968 |
| 209Po | 125 | 208.9824 | -16,366.0 | --- | 124.0 y | 1/2- | α→205Pb(99.546%) β⁺→209Bi(0.454%) | 1949 |
| 209mPo | 125 | 208.987 | -12,100.6 | --- | 119.0 ns | 31/2- | γ→209Po(100%) | 1974 |
| 210Po | 126 | 209.9829 | -15,953.1 | --- | 138.38 d | 0+ | α→206Pb(100%) | 1898 |
| 210mPo | 126 | 209.9845 | -14,396.1 | --- | 98.9 ns | 8+ | γ→210Po(100%) | 1968 |
| 210nPo | 126 | 209.9883 | -10,895.5 | --- | 263.0 ns | 16+ | γ→210Po(100%) | 1985 |
| 211Po | 127 | 210.9867 | -12,432.5 | --- | 516.0 ms | 9/2+ | α→207Pb(100%) | 1913 |
| 211mPo | 127 | 210.9882 | -10,970.0 | --- | 25.2 s | (25/2+) | α→207Pb(99.984%) γ→211Po(0.016%) | 1954 |
| 211nPo | 127 | 210.9889 | -10,298.0 | --- | 243.0 ns | (31/2-) | γ→211Po(100%) α→207Pb | 1998 |
| 212Po | 128 | 211.9889 | -10,369.4 | --- | 294.4 ns | 0+ | α→208Pb(100%) | 1906 |
| 212mPo | 128 | 211.992 | -7,446.0 | --- | 45.1 s | (18+) | α→208Pb(99.93%) γ→212Po | 1962 |
| 213Po | 129 | 212.9929 | -6,654.0 | --- | 3.71 µs | 9/2+ | α→209Pb(100%) | 1947 |
| 214Po | 130 | 213.9952 | -4,470.0 | --- | 163.47 µs | 0+ | α→210Pb(100%) | 1912 |
| 215Po | 131 | 214.9994 | -541.8 | --- | 1.78 ms | 9/2+ | α→211Pb(~100%) β⁻→215At(2.3e-4%) | 1911 |
| 216Po | 132 | 216.0019 | 1,782.3 | --- | 144.0 ms | 0+ | α→212Pb(100%) β⁻ | 1910 |
| 217Po | 133 | 217.0063 | 5,883.0 | --- | 1.53 s | (9/2+) | α→213Pb(97.5%) β⁻→217At(2.5%) | 1956 |
| 218Po | 134 | 218.009 | 8,356.7 | --- | 3.1 m | 0+ | α→214Pb(99.98%) β⁻→218At(0.02%) | 1904 |
| 219Po | 135 | 219.0136 | 12,681.0 | --- | 10.3 m | (9/2+) | β⁻→219At(71.8%) α→215Pb(28.2%) | 1998 |
| 220Po | 136 | 220.0164 | 15,263.0 | --- | 10.0 s | 0+ | β⁻→220At | 1998 |
| 221Po | 137 | 221.0212 | 19,774.0 | --- | 2.2 m | (9/2+) | β⁻→221At(100%) | 2010 |
| 222Po | 138 | 222.0241 | 22,490.0 | --- | 9.1 m | 0+ | β⁻→222At(100%) | 2010 |
| 223Po | 139 | 223.0291 | 27,080.0 | --- | 6.0 s | (11/2+) | β⁻→223At | 2010 |
| 224Po | 140 | 224.0321 | 29,910.0 | --- | 3.0 m | 0+ | β⁻→224At | 2010 |
| 225Po | 141 | 225.0371 | 34,580.0 | --- | 10.0 s | (3/2+) | β⁻→225At | 2010 |
| 226Po | 142 | 226.0403 | 37,550.0 | --- | 1.0 m | 0+ | β⁻→226At | 2010 |
| 227Po | 143 | 227.0454 | 42,280.0 | --- | 2.0 s | (5/2+) | β⁻→227At | 2010 |