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Strontium-76

Properties and data of the isotope 76Sr.


Contents

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-1
Spin and parity:
(nuclear angular momentum)
0+Year of discovery:1990

 

Radioactive Decay

Half-life T½ = 7.89(7) s.

Decay
mode
DaughterProbabilityDecay energyγ energy
(intensity)
EC/β+76Rb< 100 %6.23(30) MeV
EC, p75Kr> 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.

 

ZIsotone N = 38Isobar A = 76
2058Ca
2159Sc
2260Ti
2361V
2462Cr
2563Mn
2664Fe
2765Co76Co
2866Ni76Ni
2967Cu76Cu
3068Zn76Zn
3169Ga76Ga
3270Ge76Ge
3371As76As
3472Se76Se
3573Br76Br
3674Kr76Kr
3775Rb76Rb
3876Sr76Sr
3977Y76Y
4078Zr

 

External data and identifiers

Adopted Levels, Gammas:NuDat 76Sr

 


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Last update: 2020-10-14


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