See also: List of individual Nickel isotopes (and general data sources).
General data
Name of the isotope:Nickel-70; Ni-70Symbol:70Ni or 7028NiMass number A:70 (= number of nucleons)Atomic number Z:28 (= number of protons)Neutrons N:42Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.5 (= neutron-proton ratio)Neutron excess (N-Z):14Isotopic mass:69.9364313(23) u (atomic weight of Nickel-70)Nuclide mass:69.9210715 u (calculated nuclear mass without electrons)Mass excess:-59.21386 MeVMass defect:0.64659606800001 u (per nucleus)Nuclear binding energy:602.30035777 MeV (per nucleus) 8.60429083 MeV (average binding energy per nucleon)Separation energy:SN = 7.307(4) MeV (first neutron) SP = 16.22(14) MeV (first proton)Half-life:6.0(3) sDecay constant λ:0.11552453009332 s-1Specific activity α:9.947676318663 × 10+20 Bq g-1 26885611672.064 Ci g-1Spin and parity: (nuclear angular momentum)0+Year of discovery:1987
The following table shows the atomic nuclei that are isotonic (same neutron number N = 42) and isobaric (same nucleon number A = 70) with Nickel-70. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
