Input interpretation
![Tc-99 | daughter nuclides](../image_source/f2edbf776050dd33f355e5826207da45.png)
Tc-99 | daughter nuclides
Result
![Ru-99](../image_source/88483d1df24b99dbc4e40822120820ce.png)
Ru-99
Natural abundance
![12.76%](../image_source/c6faab64167264570a7894c34991040e.png)
12.76%
Decay mode
![decay mode | β^- (electron emission) Q-value | 293.83 keV (kiloelectronvolts) daughter nuclide | Ru-99](../image_source/50bb402a827b63d626e4251ecf98b80c.png)
decay mode | β^- (electron emission) Q-value | 293.83 keV (kiloelectronvolts) daughter nuclide | Ru-99
Mass properties
![atomic number (Z) | 44 mass number (A) | 99 neutron number | 55 atomic mass | 98.905939302 u (unified atomic mass units) mass excess | -87.616977 MeV (megaelectronvolts) binding energy per nucleon | 8.608627 MeV (megaelectronvolts)](../image_source/3c648523cf9d13bb6847ebed1e6221f8.png)
atomic number (Z) | 44 mass number (A) | 99 neutron number | 55 atomic mass | 98.905939302 u (unified atomic mass units) mass excess | -87.616977 MeV (megaelectronvolts) binding energy per nucleon | 8.608627 MeV (megaelectronvolts)
![Mass properties](../image_source/8a7a5752d940a5a02d4c167d9d7a8277.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/c2267e58f2af5312d845b060a008bb87.png)
Nearby isotopes
Quantum properties
![spin parity J^π | 5/2^+ (atomic fermion) magnetic moment | -0.641 μ_N electric quadrupole moment | 0.079 eb (electron barns)](../image_source/9e74c4cfc92c0a24caa5ec2ae1b3880f.png)
spin parity J^π | 5/2^+ (atomic fermion) magnetic moment | -0.641 μ_N electric quadrupole moment | 0.079 eb (electron barns)
![Quantum properties](../image_source/d7e28f373d2b54eef40f038357098a61.png)
Quantum properties
Excitations
![E_level | spin parity J^π | half-life τ_1/2 | width Δ 89.68 keV (kiloelectronvolts) | 3/2^+ | 2.05×10^-8 seconds | 2.23×10^-8 eV (electronvolts) 322.38 keV (kiloelectronvolts) | 3/2^+ | (unknown) | (unknown) 340.73 keV (kiloelectronvolts) | 7/2^+ | (unknown) | (unknown) 442.71 keV (kiloelectronvolts) | 3/2^+ | 1.1×10^-11 seconds | 4.1×10^-5 eV (electronvolts) 575.89 keV (kiloelectronvolts) | 5/2^+ | 1.1×10^-12 seconds | 4.1×10^-4 eV (electronvolts) 617.62 keV (kiloelectronvolts) | 7/2^+ | 7×10^-13 seconds | 7×10^-4 eV (electronvolts) 618.04 keV (kiloelectronvolts) | 1/2^+ | 1.04×10^-9 seconds | 4.39×10^-7 eV (electronvolts) 719.85 keV (kiloelectronvolts) | 9/2^+ | 2.25×10^-12 seconds | 2.03×10^-4 eV (electronvolts) 734.13 keV (kiloelectronvolts) | 5/2^+ | (unknown) | (unknown) 896.93 keV (kiloelectronvolts) | 1/2^+ or 3/2^+ or 5/2^+ (uncertain) | 1.5×10^-10 seconds | 3×10^-6 eV (electronvolts)](../image_source/2a2a47cce9cc9f7bacdb62641f10a656.png)
E_level | spin parity J^π | half-life τ_1/2 | width Δ 89.68 keV (kiloelectronvolts) | 3/2^+ | 2.05×10^-8 seconds | 2.23×10^-8 eV (electronvolts) 322.38 keV (kiloelectronvolts) | 3/2^+ | (unknown) | (unknown) 340.73 keV (kiloelectronvolts) | 7/2^+ | (unknown) | (unknown) 442.71 keV (kiloelectronvolts) | 3/2^+ | 1.1×10^-11 seconds | 4.1×10^-5 eV (electronvolts) 575.89 keV (kiloelectronvolts) | 5/2^+ | 1.1×10^-12 seconds | 4.1×10^-4 eV (electronvolts) 617.62 keV (kiloelectronvolts) | 7/2^+ | 7×10^-13 seconds | 7×10^-4 eV (electronvolts) 618.04 keV (kiloelectronvolts) | 1/2^+ | 1.04×10^-9 seconds | 4.39×10^-7 eV (electronvolts) 719.85 keV (kiloelectronvolts) | 9/2^+ | 2.25×10^-12 seconds | 2.03×10^-4 eV (electronvolts) 734.13 keV (kiloelectronvolts) | 5/2^+ | (unknown) | (unknown) 896.93 keV (kiloelectronvolts) | 1/2^+ or 3/2^+ or 5/2^+ (uncertain) | 1.5×10^-10 seconds | 3×10^-6 eV (electronvolts)