Input interpretation
Md-250 Bk-246 | half-life
Results
Md-250 | 52 seconds (42 to 66 s) Bk-246 | 44 hours (42.2 to 44.5 h)
Units
Relative values
| visual | ratios | | comparisons Md-250 | | 3.3×10^-4 | 1 | 99.967% smaller Bk-246 | | 1 | 3100 | 310000% larger
Decay properties
| Md-250 | Bk-246 half-life | 52 s (43 to 65 s) | 44 h (42.2 to 44.4 h) mean lifetime | 75 s (65.7 to 84.4 s) | 61 h (61.1 to 63.4 h) decay constant | 0.013 per second | 4.5×10^-6 per second specific activity | 3.2×10^7 TBq/g | 11000 TBq/g width | 8.8×10^-18 eV | 2.9×10^-21 eV decay modes | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) | β^+ (positron emission) | α (alpha emission) final decay products | Pb-206 (100%) | Tl-205 (2×10^-6%) | Pb-208 (2.6×10^-9%) | W-184 (9×10^-12%) | Yb-168 (2×10^-15%) | Er-164 (2×10^-15%) | Dy-160 (7×10^-17%) | Dy-156 (4×10^-19%) | Sm-144 (4×10^-20%) | Ce-140 (5×10^-21%) | Dy-164 (0%) | Er-168 (0%) | Gd-156 (0%) | Hf-176 (0%) | Hf-180 (0%) | Sm-152 (0%) | Yb-172 (0%) | Pb-206 (100%) | Tl-205 (2×10^-6%) | Pb-208 (2.6×10^-9%) | W-184 (9×10^-12%) | Yb-168 (2×10^-18%) | Er-164 (2×10^-18%) | Dy-160 (6×10^-20%) | Dy-156 (4×10^-22%) | Sm-144 (4×10^-23%) | Ce-140 (4×10^-24%) | Dy-164 (0%) | Er-168 (0%) | Gd-156 (0%) | Hf-176 (0%) | Hf-180 (0%) | Sm-152 (0%) | Yb-172 (0%)