See also: List of individual Iodine isotopes (and general data sources).
General data
Name of the isotope:Iodine-134; I-134Other names:Jod-134Symbol:134I or 13453IMass number A:134 (= number of nucleons)Atomic number Z:53 (= number of protons)Neutrons N:81Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.5283018867925 (= neutron-proton ratio)Neutron excess (N-Z):28Isotopic mass:133.909776(5) u (atomic weight of Iodine-134)Nuclide mass:133.8807031 u (calculated nuclear mass without electrons)Mass excess:-84.04311 MeVMass defect:1.206808892 u (per nucleus)Nuclear binding energy:1124.13524204 MeV (per nucleus) 8.38906897 MeV (average binding energy per nucleon)Separation energy:SN = 6.256(8) MeV (first neutron) SP = 8.395(5) MeV (first proton)Half-life:52.5(2) minDecay constant λ:0.00022004672398728 s-1Specific activity α:9.895859624380 × 10+17 Bq g-1 26745566.552381 Ci g-1Spin and parity: (nuclear angular momentum)(4)+Year of discovery:1948
Radioactive Decay
Half-life T½ = 52.5(2) min (minutes) respectively 3.150 × 103 seconds s.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 81) and isobaric (same nucleon number A = 134) with Iodine-134. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
