Input interpretation
isotopes | mass number | 172
Members
Dy-172 | Er-172 | Au-172 | Hf-172 | Ho-172 | Ir-172 | Lu-172 | Hg-172 | Os-172 | Pt-172 | Re-172 | Ta-172 | Tm-172 | W-172 | Yb-172 (total: 15)
Natural abundance
isotope abundance | median | 0% | highest | 21.83% (Yb-172) | lowest | 0% (14 isotopes)
Decay properties
half-life | median | 22 s | highest | 1.9 yr (1.839 to 1.904 yr) (Hf-172) | lowest | 290 µs (100 to 550 µs) (Hg-172) mean lifetime | median | 32 s | highest | 2.7 yr (2.653 to 2.746 yr) (Hf-172) | lowest | 418 µs (130 to 790 µs) (Hg-172) decay constant | highest | 2390 per second (Hg-172) | lowest | 0 per second (Yb-172) | median | 0.028 per second specific activity | highest | 8.37×10^12 TBq/g (Hg-172) | lowest | 0 Bq/g (Yb-172) | median | 9.7×10^7 TBq/g width | median | 1.8×10^-17 eV | highest | 1.09×10^-12 eV (Hg-172) | lowest | 0 eV (Yb-172)
Units