Input interpretation
Ar-36 (argon-36) | Cs-117 (cesium-117)
Natural abundance
Ar-36 | Cs-117 0.3365% | 0
Decay properties
| Ar-36 | Cs-117 half-life | (stable) | 8.4 s (6.9 to 9.9 s) mean lifetime | (stable) | 12 s (11.2 to 13 s) decay constant | 0 per second | 0.083 per second specific activity | 0 Bq/g | 4.3×10^8 TBq/g width | 0 eV | 5.4×10^-17 eV decay modes | 2β^+ (double beta decay) | β^+ (positron emission) final decay products | Ar-36 (100%) | S-36 (0) | Sn-117 (100%) | Sn-116 (2.9×10^-5)
Decay modes
Ar-36
decay mode | 2β^+ (double beta decay) Q-value | -1.61187 MeV (megaelectronvolts) daughter nuclide | S-36
Cs-117
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 6.7203 MeV (megaelectronvolts) daughter nuclide | Xe-117
Radiation shielding
Radiation shielding
Decay chain
Ar-36
Decay chain Ar-36
Cs-117
Decay chain Cs-117
Mass properties
| Ar-36 | Cs-117 atomic number (Z) | 18 | 55 mass number (A) | 36 | 117 neutron number | 18 | 62 atomic mass | 35.967545105 u (unified atomic mass units) | 116.928670701 u (unified atomic mass units) mass excess | -30.23154 MeV (megaelectronvolts) | -66.442814 MeV (megaelectronvolts) binding energy per nucleon | 8.519909 MeV (megaelectronvolts) | 8.271435 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Ar-36 | Cs-117 spin parity J^π | 0^+ (atomic boson) | 9/2^+ (atomic boson) magnetic moment | 0 μ_N | (unknown)
Quantum properties