Input interpretation
isotopes | mass number | 201
Members
At-201 | Bi-201 | Fr-201 | Au-201 | Pb-201 | Hg-201 | Pt-201 | Po-201 | Rn-201 | Tl-201 (total: 10)
Natural abundance
isotope abundance | median | 0 | highest | 13.18% (Hg-201) | lowest | 0 (9 isotopes)
Decay properties
half-life | median | 15.6 min | highest | 73.01 h (72.96 to 73.07 h) (Tl-201) | lowest | 61 ms (42 to 81 ms) (Fr-201) mean lifetime | median | 22.5 min | highest | 105.33 h (105.25 to 105.41 h) (Tl-201) | lowest | 88 ms (69.7 to 106 ms) (Fr-201) decay constant | highest | 11 per second (Fr-201) | lowest | 0 per second (Hg-201) | median | 5.92×10^-4 per second specific activity | highest | 3.4×10^10 TBq/g (Fr-201) | lowest | 0 Bq/g (Hg-201) | median | 1.78×10^6 TBq/g width | median | 2.7×10^-19 eV | highest | 7.5×10^-15 eV (Fr-201) | lowest | 0 eV (Hg-201)
Units