See also: List of individual Technetium isotopes (and general data sources).
General data
Name of the isotope:Technetium-93; Tc-93Symbol:93Tc or 9343TcMass number A:93 (= number of nucleons)Atomic number Z:43 (= number of protons)Neutrons N:50Nucleon pairing (Z - N):odd - evenNuclear ratio (N/Z ratio):1.1627906976744 (= neutron-proton ratio)Neutron excess (N-Z):7Isotopic mass:92.9102451(11) u (atomic weight of Technetium-93)Nuclide mass:92.8866573 u (calculated nuclear mass without electrons)Mass excess:-83.60615 MeVMass defect:0.859477076 u (per nucleus)Nuclear binding energy:800.59773943 MeV (per nucleus) 8.60857784 MeV (average binding energy per nucleon)Separation energy:SN = 12.752(3) MeV (first neutron) SP = 4.0865(10) MeV (first proton)Half-life:2.75(5) hDecay constant λ:7.001486672322 × 10-5 s-1Specific activity α:4.538136588124 × 10+17 Bq g-1 12265234.021958 Ci g-1Spin and parity: (nuclear angular momentum)9/2+Magnetic dipole moment:μ(μN) = 6.32(6)Nuclear g-factor:gl = 1.4044444444444Year of discovery:1948
Radioactive Decay
Half-life T½ = 2.75(5) h (hours) respectively 9.900 × 103 seconds s.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 50) and isobaric (same nucleon number A = 93) with Technetium-93. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
