See also: List of individual Technetium isotopes (and general data sources).
General data
Name of the isotope:Technetium-86m; Tc-86mSymbol:86mTc or 86m43TcMass number A:86 (= number of nucleons)Atomic number Z:43 (= number of protons)Neutrons N:43Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1 (= neutron-proton ratio)Neutron excess (N-Z):0Excitation energy:1534 keVIsotopic mass:85.94464(32) u (atomic weight of Technetium-86m)Nuclide mass:85.9210522 u (calculated nuclear mass without electrons)Mass excess:-51.56751 MeVMass defect:0.76442776399999 u (per nucleus)Nuclear binding energy:712.0598756 MeV (per nucleus) 8.279766 MeV (average binding energy per nucleon)Half-life:1.10(14) μsDecay constant λ:630133.80050904 s-1Specific activity α:4.415347419337 × 10+27 Bq g-1 1.193337140361 × 10+17 Ci g-1Spin and parity: (nuclear angular momentum)(6+)Isobaric spin: 0
The following table shows the atomic nuclei that are isotonic (same neutron number N = 43) and isobaric (same nucleon number A = 86) with Technetium-86m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
