See also: List of individual Copper isotopes (and general data sources).
General data
Name of the isotope:Copper-70; Cu-70Symbol:70Cu or 7029CuMass number A:70 (= number of nucleons)Atomic number Z:29 (= number of protons)Neutrons N:41Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.4137931034483 (= neutron-proton ratio)Neutron excess (N-Z):12Isotopic mass:69.9323921(12) u (atomic weight of Copper-70)Nuclide mass:69.9164837 u (calculated nuclear mass without electrons)Mass excess:-62.97635 MeVMass defect:0.649795384 u (per nucleus)Nuclear binding energy:605.28050142 MeV (per nucleus) 8.64686431 MeV (average binding energy per nucleon)Separation energy:SN = 5.3115(18) MeV (first neutron) SP = 10.287(4) MeV (first proton)Half-life:44.5(2) sDecay constant λ:0.015576341136179 s-1Specific activity α:1.341337197699 × 10+20 Bq g-1 3625235669.4584 Ci g-1Spin and parity: (nuclear angular momentum)6-Magnetic dipole moment:μ(μN) = +1.3666(5)Quadrupole moment Q:-0.298(15) barn (100 fm2)Nuclear g-factor:gl = 0.22776666666667Year of discovery:1971
Radioactive Decay
Half-life T½ = 44.5(2) s respectively 4.45 × 101 seconds s.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 41) and isobaric (same nucleon number A = 70) with Copper-70. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
