Copper-75m1
Properties and data of the isotope 75m1Cu.
See also: list of Copper isotopes.
General data
Name of the isotope:Copper-75m1; Cu-75m1Symbol:75m1Cu or 75m129CuMass number A:75 (= number of nucleons)Atomic number Z:29 (= number of protons)Neutrons N:46Isotopic mass:74.9415226(25) u (atomic weight of Copper-75m1)
Excitation energy: 61.7(4) keVNuclide mass:74.9256142 u (calculated nuclear mass without electrons)Mass excess:-54.47135 MeVMass defect:0.68398946400001 u (per nucleus)Nuclear binding energy:637.13208178 MeV (per nucleus)
8.49509442 MeV (average binding energy per nucleon)Half-life:310(8) nsDecay constant λ:2235958.6469676 s-1Specific activity α:1.819629449869 × 10+28 Bq g-1
4.917917432078 × 10+17 Ci g-1Spin and parity:
(nuclear angular momentum)(1/2-.3/2-)
Radioactive Decay
Half-life T½ = 310(8) ns respectively 3.10 × 10-7 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
Iso | 75Cu | 100 % | | |
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 |
---|
75Cu | | 1.224(3) s | 5/2(-) |
75m2Cu | 66.2(4) keV | 149(6) ns | (1/2-,3/2-) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 46) and isobaric (same nucleon number A = 75) with Copper-75m1. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
Z | Isotone N = 46 | Isobar A = 75 |
25 | 71Mn | |
26 | 72Fe | |
27 | 73Co | 75Co |
28 | 74Ni | 75Ni |
29 | 75Cu | 75Cu |
30 | 76Zn | 75Zn |
31 | 77Ga | 75Ga |
32 | 78Ge | 75Ge |
33 | 79As | 75As |
34 | 80Se | 75Se |
35 | 81Br | 75Br |
36 | 82Kr | 75Kr |
37 | 83Rb | 75Rb |
38 | 84Sr | 75Sr |
39 | 85Y | |
40 | 86Zr | |
41 | 87Nb | |
42 | 88Mo | |
43 | 89Tc | |
44 | 90Ru | |
45 | 91Rh | |
46 | 92Pd | |
47 | 93Ag | |
48 | 94Cd | |
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/copper-75m1
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