Input interpretation
Db-256 Es-250 | half-life
Results
Db-256 | 1.6 seconds (0.9 to 2.9 s) Es-250 | 8.6 hours (8.38 to 8.82 h)
Units
Relative values
| visual | ratios | | comparisons Db-256 | | 5×10^-5 | 1 | 99.995% smaller Es-250 | | 1 | 19000 | 1.9×10^6% larger
Decay properties
| Db-256 | Es-250 half-life | 1.6 s (1 to 2.7 s) | 8.6 h (8.39 to 8.8 h) mean lifetime | 2.3 s (1 to 4.1 s) | 12 h (12 to 12.7 h) decay constant | 0.43 per second | 2.2×10^-5 per second specific activity | 1×10^9 TBq/g | 54000 TBq/g width | 2×10^-16 eV | 1.5×10^-20 eV decay modes | β^+ (positron emission) | SF (spontaneous fission) | α (alpha emission) | β^+ (positron emission) | α (alpha emission) final decay products | Pb-208 (0.08%) | Pb-206 (3×10^-12%) | Hg-204 (4×10^-15%) | Pb-204 (0%) | Hg-200 (0%) | Pb-206 (100%) | Tl-205 (2×10^-6%) | Pb-208 (2.5×10^-9%) | W-184 (9×10^-12%) | Yb-168 (5×10^-27%) | Er-164 (4×10^-27%) | Dy-160 (2×10^-28%) | Dy-156 (1×10^-30%) | Sm-144 (1×10^-31%) | Ce-140 (1×10^-32%) | Dy-164 (0%) | Er-168 (0%) | Gd-156 (0%) | Hf-176 (0%) | Hf-180 (0%) | Sm-152 (0%) | Yb-172 (0%)