See also: List of individual Germanium isotopes (and general data sources).
General data
Name of the isotope:Germanium-73m2; Ge-73m2Symbol:73m2Ge or 73m232GeMass number A:73 (= number of nucleons)Atomic number Z:32 (= number of protons)Neutrons N:41Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.28125 (= neutron-proton ratio)Neutron excess (N-Z):9Excitation energy:66.725(9) keVIsotopic mass:72.92345895(6) u (atomic weight of Germanium-73m2)Nuclide mass:72.905905 u (calculated nuclear mass without electrons)Mass excess:-71.29753 MeVMass defect:0.68220363 u (per nucleus)Nuclear binding energy:635.46858812 MeV (per nucleus) 8.70504915 MeV (average binding energy per nucleon)Half-life:499(11) msDecay constant λ:1.3890725061322 s-1Specific activity α:1.147119223117 × 10+22 Bq g-1 310032222464.08 Ci g-1Spin and parity: (nuclear angular momentum)1/2-Year of discovery:1957
Radioactive Decay
Half-life T½ = 499(11) ms respectively 4.99 × 10-1 seconds s.
Decay mode
Daughter
Probability
Decay energy
γ energy (intensity)
Iso
73Ge
100 %
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 41) and isobaric (same nucleon number A = 73) with Germanium-73m2. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
