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Strontium-88

Properties and data of the isotope 88Sr.


Content

See also: list of Strontium isotopes.

 

General data

Name of the isotope:Strontium-88; Sr-88Symbol:88Sr or 8838SrMass number A:88 (= number of nucleons)Atomic number Z:38 (= number of protons)Neutrons N:50Isotopic mass:87.905613(8) u (atomic weight of Strontium-88)Nuclide mass:87.8847678 u (calculated nuclear mass without electrons)Mass excess:-87.92092 MeVMass defect:0.82498401599999 u (per nucleus)Nuclear binding energy:768.467661 MeV (per nucleus)
8.73258706 MeV (average binding energy per nucleon)
Separation energy:SN = 11.11287(1) MeV (first neutron)
SP = 10.61280(1) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
0+Charge radius:4.2240(18) femtometer fmYear of discovery:1923

 

Parent Nuclides

Direct parent isotopes are: 88Y, 88Rb.

 

Occurrence

Comparison of the natural Strontium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

 

Atomic Mass maQuantityHalf-lifeSpin
Strontium
Isotopic mixture
87.62 u100 %
Isotope 84Sr83.913419(8) u0.57 %
[0.55 - 0.58 %]
stable0+
Isotope 86Sr85.909261(8) u9.87 %
[9.75 - 9.99 %]
stable0+
Isotope 88Sr87.905613(8) u82.52 %
[82.29 - 82.75 %]
stable0+
Isotope 87Sr86.908878(8) u7.00(20) %
[6.94 - 7.14 %]
stable9/2+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 50) and isobaric (same nucleon number A = 88) with Strontium-88. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 50Isobar A = 88
2878Ni
2979Cu
3080Zn
3181Ga
3282Ge88Ge
3383As88As
3484Se88Se
3585Br88Br
3686Kr88Kr
3787Rb88Rb
3888Sr88Sr
3989Y88Y
4090Zr88Zr
4191Nb88Nb
4292Mo88Mo
4393Tc88Tc
4494Ru88Ru
4595Rh
4696Pd
4797Ag
4898Cd
4999In
50100Sn

 

External data and identifiers

Adopted Levels, Gammas:NuDat 88Sr

 


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Last update: 2020-10-14


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