See also: List of individual Molybdenum isotopes (and general data sources).
General data
Name of the isotope:Molybdenum-93m; Mo-93mSymbol:93mMo or 93m42MoMass number A:93 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:51Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.2142857142857 (= neutron-proton ratio)Neutron excess (N-Z):9Excitation energy:2424.95(4) keVIsotopic mass:92.90680877(19) u (atomic weight of Molybdenum-93m)Nuclide mass:92.8837695 u (calculated nuclear mass without electrons)Mass excess:-86.80707 MeVMass defect:0.86375329000001 u (per nucleus)Nuclear binding energy:804.58100712 MeV (per nucleus) 8.65140868 MeV (average binding energy per nucleon)Half-life:6.85(7) hDecay constant λ:2.810815817355 × 10-5 s-1Specific activity α:1.821947037752 × 10+17 Bq g-1 4924181.1831141 Ci g-1Spin and parity: (nuclear angular momentum)21/2+Magnetic dipole moment:μ(μN) = 9.93(8)Nuclear g-factor:gl = 0.94571428571429
Radioactive Decay
Half-life T½ = 6.85(7) h (hours) respectively 2.4660 × 104 seconds s.
Decay mode
Daughter
Probability
Decay energy
γ energy (intensity)
EC/β+
93Nb
0.12(1) %
Iso
93Mo
99.88(1) %
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 = 51) and isobaric (same nucleon number A = 93) with Molybdenum-93m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
