Strontium-76
Properties and data of the isotope 76Sr.
See also: list of Strontium isotopes.
General data
Name of the isotope:Strontium-76; Sr-76Symbol:76Sr or 7638SrMass number A:76 (= number of nucleons)Atomic number Z:38 (= number of protons)Neutrons N:38Isotopic mass:75.94176(4) u (atomic weight of Strontium-76)Nuclide mass:75.9209148 u (calculated nuclear mass without electrons)Mass excess:-54.25021 MeVMass defect:0.68485802399999 u (per nucleus)Nuclear binding energy:637.94114021 MeV (per nucleus)
8.39396237 MeV (average binding energy per nucleon)Separation energy:SN = 15.70(22) MeV (first neutron)
SP = 4.32(30) MeV (first proton)Half-life:7.89(7) sDecay constant λ:0.087851353683136 s-1Specific activity α:7.054043021546 × 10+20 Bq g-1
19064981139.314 Ci g-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1990
Radioactive Decay
Half-life T½ = 7.89(7) s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
EC/β+ | 76Rb | < 100 % | 6.23(30) MeV | |
EC, p | 75Kr | > 0 % | | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 38) and isobaric (same nucleon number A = 76) with Strontium-76. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
Z | Isotone N = 38 | Isobar A = 76 |
20 | 58Ca | |
21 | 59Sc | |
22 | 60Ti | |
23 | 61V | |
24 | 62Cr | |
25 | 63Mn | |
26 | 64Fe | |
27 | 65Co | 76Co |
28 | 66Ni | 76Ni |
29 | 67Cu | 76Cu |
30 | 68Zn | 76Zn |
31 | 69Ga | 76Ga |
32 | 70Ge | 76Ge |
33 | 71As | 76As |
34 | 72Se | 76Se |
35 | 73Br | 76Br |
36 | 74Kr | 76Kr |
37 | 75Rb | 76Rb |
38 | 76Sr | 76Sr |
39 | 77Y | 76Y |
40 | 78Zr | |
External data and identifiers
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/strontium-76
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