Input interpretation
Tc-99 Be-13 | half-life
Results
Tc-99 | 0.2111 Myr (megayears) (-4 to 4 Myr) Be-13 | 2.7 zs (zeptoseconds) (-5 to 31 zs)
Units
Relative values
| visual | ratios | | comparisons Be-13 | | 4.1×10^-34 | 1 | 99.999999999999999999999999999999959% smaller Tc-99 | | 1 | 2.5×10^33 | 2.5×10^35% larger
Decay properties
| Tc-99 | Be-13 half-life | 0.2111 Myr (-4 to 4 Myr) | 2.7 zs (-4 to 27 zs) mean lifetime | 0.3046 Myr (-8 to 8 Myr) | 3.9 zs (-10 to 60 zs) decay constant | 1.041×10^-13 per second | 2.6×10^20 per second specific activity | 634 MBq/g | 1.2×10^31 TBq/g width | 4.75×10^-29 eV | 120 keV decay modes | β^- (electron emission) | n (neutron emission) final decay products | Ru-99 (100%) | B-11 (0%) | C-12 (0%) | He-4 (0%)