Input interpretation
Tb-136 (terbium-136)
Decay properties
half-life | 200 ms (milliseconds) mean lifetime | 289 ms (milliseconds) decay constant | 3.46 per second specific activity | 1.53×10^10 TBq/g (terabecquerels per gram) width | 2.28×10^-15 eV (electronvolts) decay modes | β^+ (positron emission) final decay products | Ba-135 (0%) | Ba-136 (0%) | Ce-136 (0%)
Decay mode
decay mode | β^+ (positron emission) Q-value | 12.056 MeV (megaelectronvolts) daughter nuclide | Gd-136
Decay chain
Decay chain
Mass properties
atomic number (Z) | 65 mass number (A) | 136 neutron number | 71 atomic mass | 135.96138 u (unified atomic mass units) mass excess | -35.974 MeV (megaelectronvolts) binding energy per nucleon | 7.962 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes