Zinc-65
Properties and data of the isotope 65Zn.
See also: list of Zinc isotopes.
General data
Name of the isotope:Zinc-65; Zn-65Symbol:65Zn or 6530ZnMass number A:65 (= number of nucleons)Atomic number Z:30 (= number of protons)Neutrons N:35Isotopic mass:64.9292405(7) u (atomic weight of Zinc-65)Nuclide mass:64.9127836 u (calculated nuclear mass without electrons)Mass excess:-65.91205 MeVMass defect:0.60878251999999 u (per nucleus)Nuclear binding energy:567.07726468 MeV (per nucleus)
8.72426561 MeV (average binding energy per nucleon)Separation energy:SN = 7.97932(17) MeV (first neutron)
SP = 7.7764(7) MeV (first proton)Half-life:243.93(9) dDecay constant λ:3.288868450 × 10-8 s-1Specific activity α:3.094692043831 × 10+14 Bq g-1
8364.0325508951 Ci g-1Spin and parity:
(nuclear angular momentum)5/2-Magnetic dipole moment:μ(μN) = +0.7690(2)Quadrupole moment Q:- 0.023(2) barn (100 fm2)Nuclear g-factor:gl = 0.3076Year of discovery:1939
Radioactive Decay
Half-life T½ = 243.93(9) d respectively 2.1075552 × 107 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
EE/β+ | 65Cu | 100 % | 1.3516(9) MeV | |
Parent Nuclides
Direct parent isotope is: 65Ga.
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
Nuclear Isomer | Excitation Energy | Half-life | Spin |
---|
65mZn | 53.928(10) keV | 1.6(6) μs | (1/2)- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 35) and isobaric (same nucleon number A = 65) with Zinc-65. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 35 | Isobar A = 65 |
18 | 53Ar | |
19 | 54K | |
20 | 55Ca | |
21 | 56Sc | |
22 | 57Ti | |
23 | 58V | 65V |
24 | 59Cr | 65Cr |
25 | 60Mn | 65Mn |
26 | 61Fe | 65Fe |
27 | 62Co | 65Co |
28 | 63Ni | 65Ni |
29 | 64Cu | 65Cu |
30 | 65Zn | 65Zn |
31 | 66Ga | 65Ga |
32 | 67Ge | 65Ge |
33 | 68As | 65As |
34 | 69Se | 65Se |
35 | 70Br | |
36 | 71Kr | |
37 | 72Rb | |
38 | 73Sr | |
External data and identifiers
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/zinc-65
© 1996 - 2024 ChemLin