Input interpretation
At-217 | daughter nuclides
Result
Bi-213 | Rn-217
Decay properties
| Bi-213 | Rn-217 half-life | 45.58 min (45.526 to 45.654 min) | 540 µs (483 to 598 µs) mean lifetime | 65.77 min (65.679 to 65.864 min) | 779 µs (706.1 to 852 µs) decay constant | 2.534×10^-4 per second | 1280 per second specific activity | 716500 TBq/g | 3.56×10^12 TBq/g width | 1.668×10^-19 eV | 8.45×10^-13 eV decay modes | β^- (electron emission) | α (alpha emission) | α (alpha emission) final decay products | Tl-205 (100%) | Tl-205 (100%)
Decay modes
decay mode | α (alpha emission) branching ratio | 100% Q-value | 7.20129 MeV (megaelectronvolts) daughter nuclide | Bi-213 decay mode | β^- (electron emission) branching ratio | 8×10^-5 Q-value | 736.95 keV (kiloelectronvolts) daughter nuclide | Rn-217
Bi-213
decay mode | β^- (electron emission) branching ratio | 97.91% Q-value | 1.42275 MeV (megaelectronvolts) daughter nuclide | Po-213 decay mode | α (alpha emission) branching ratio | 2.09% Q-value | 5.98248 MeV (megaelectronvolts) daughter nuclide | Tl-209
Rn-217
decay mode | α (alpha emission) branching ratio | 100% Q-value | 7.88709 MeV (megaelectronvolts) daughter nuclide | Po-213
Radiation shielding
| Bi-213 lead | 27.3 µm water | 76.6 µm air | 69.7 mm
Decay chain
Bi-213
Decay chain Bi-213
Rn-217
Decay chain Rn-217
Mass properties
| Bi-213 | Rn-217 atomic number (Z) | 83 | 86 mass number (A) | 213 | 217 neutron number | 130 | 131 atomic mass | 212.994384666 u (unified atomic mass units) | 217.003927675 u (unified atomic mass units) mass excess | -5.230649 MeV (megaelectronvolts) | 3.658607 MeV (megaelectronvolts) binding energy per nucleon | 7.791016 MeV (megaelectronvolts) | 7.744403 MeV (megaelectronvolts)
Mass properties