See also: List of individual Nickel isotopes (and general data sources).
General data
Name of the isotope:Nickel-65; Ni-65Symbol:65Ni or 6528NiMass number A:65 (= number of nucleons)Atomic number Z:28 (= number of protons)Neutrons N:37Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.3214285714286 (= neutron-proton ratio)Neutron excess (N-Z):9Isotopic mass:64.9300847(5) u (atomic weight of Nickel-65)Nuclide mass:64.9147249 u (calculated nuclear mass without electrons)Mass excess:-65.12568 MeVMass defect:0.609618088 u (per nucleus)Nuclear binding energy:567.85559126 MeV (per nucleus) 8.73623987 MeV (average binding energy per nucleon)Separation energy:SN = 6.09808(14) MeV (first neutron) SP = 12.622(20) MeV (first proton)Half-life:2.5175(5) hDecay constant λ:7.648098649011 × 10-5 s-1Specific activity α:7.09346473572 × 10+17 Bq g-1 19171526.312773 Ci g-1Spin and parity: (nuclear angular momentum)5/2-Magnetic dipole moment:μ(μN) = 0.69(6)Nuclear g-factor:gl = 0.276Year of discovery:1946
Radioactive Decay
Half-life T½ = 2.5175(5) h (hours) respectively 9.063 × 103 seconds s.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 37) and isobaric (same nucleon number A = 65) with Nickel-65. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
