Input interpretation
Tc-99 | decay modes
Result
β^- (electron emission)
Decay properties
half-life | 0.2111 Myr (megayears) (-4 to 4 Myr) mean lifetime | 0.3046 Myr (megayears) (-8 to 8 Myr) decay constant | 1.041×10^-13 per second specific activity | 634 MBq/g (megabecquerels per gram) width | 4.75×10^-29 eV (electronvolts) decay modes | β^- (electron emission) final decay products | Ru-99 (100%)
Decay mode
decay mode | β^- (electron emission) Q-value | 293.83 keV (kiloelectronvolts) daughter nuclide | Ru-99