See also: List of individual Iodine isotopes (and general data sources).
General data
Name of the isotope:Iodine-116; I-116Other names:Jod-116Symbol:116I or 11653IMass number A:116 (= number of nucleons)Atomic number Z:53 (= number of protons)Neutrons N:63Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.188679245283 (= neutron-proton ratio)Neutron excess (N-Z):10Isotopic mass:115.91681(10) u (atomic weight of Iodine-116)Nuclide mass:115.8877371 u (calculated nuclear mass without electrons)Mass excess:-77.49099 MeVMass defect:1.043806404 u (per nucleus)Nuclear binding energy:972.29940249 MeV (per nucleus) 8.3818914 MeV (average binding energy per nucleon)Separation energy:SN = 9.23(10) MeV (first neutron) SP = 2.72(10) MeV (first proton)Half-life:2.91(15) sDecay constant λ:0.23819490740892 s-1Specific activity α:1.237476480530 × 10+21 Bq g-1 33445310284.619 Ci g-1Spin and parity: (nuclear angular momentum)1+Year of discovery:1976
The following table shows the atomic nuclei that are isotonic (same neutron number N = 63) and isobaric (same nucleon number A = 116) with Iodine-116. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
