Input interpretation
Er-164 (erbium-164) | Md-246 (mendelevium-246)
Natural abundance
Er-164 | Md-246 1.601% | 0
Decay properties
| Er-164 | Md-246 half-life | (stable) | 1 s (0.54 to 1.42 s) mean lifetime | (stable) | 1.4 s (0.85 to 2.04 s) decay constant | 0 per second | 0.71 per second specific activity | 0 Bq/g | 1.7×10^9 TBq/g width | 0 eV | 4.6×10^-16 eV decay modes | α (alpha emission) | 2β^+ (double beta decay) | α (alpha emission) | β^+ (positron emission) | SF (spontaneous fission) final decay products | Er-164 (100%) | Dy-160 (0) | Dy-164 (0) | Ce-140 (0) | Dy-156 (0) | Dy-160 (0) | Dy-164 (0) | Er-164 (0) | Er-168 (0) | Gd-156 (0) | Hf-176 (0) | Hf-180 (0) | Pb-206 (0) | Pb-208 (0) | Sm-144 (0) | Sm-152 (0) | Tl-205 (0) | W-184 (0) | Yb-168 (0) | Yb-172 (0)
Decay modes
Er-164
decay mode | α (alpha emission) Q-value | 1.30359 MeV (megaelectronvolts) daughter nuclide | Dy-160 decay mode | 2β^+ (double beta decay) Q-value | -2.02067 MeV (megaelectronvolts) daughter nuclide | Dy-164
Md-246
decay mode | α (alpha emission) Q-value | 8.8847 MeV (megaelectronvolts) daughter nuclide | Es-242 decay mode | β^+ (positron emission) Q-value | 5.114 MeV (megaelectronvolts) daughter nuclide | Fm-246 decay mode | SF (spontaneous fission)
Radiation shielding
Radiation shielding
Decay chain
Er-164
Decay chain Er-164
Md-246
Decay chain Md-246
Mass properties
| Er-164 | Md-246 atomic number (Z) | 68 | 101 mass number (A) | 164 | 246 neutron number | 96 | 145 atomic mass | 163.929200229 u (unified atomic mass units) | 246.081886 u (unified atomic mass units) mass excess | -65.949562 MeV (megaelectronvolts) | 76.276 MeV (megaelectronvolts) binding energy per nucleon | 8.149061 MeV (megaelectronvolts) | 7.44 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Er-164 spin parity J^π | 0^+ (atomic boson) magnetic moment | 0 μ_N
Quantum properties