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Krypton-80

Properties and data of the isotope 80Kr.


Content

See also: list of Krypton isotopes.

 

General data

Name of the isotope:Krypton-80; Kr-80Symbol:80Kr or 8036KrMass number A:80 (= number of nucleons)Atomic number Z:36 (= number of protons)Neutrons N:44Isotopic mass:79.916378(5) u (atomic weight of Krypton-80)Nuclide mass:79.8966299 u (calculated nuclear mass without electrons)Mass excess:-77.89339 MeVMass defect:0.74657945600001 u (per nucleus)Nuclear binding energy:695.43428379 MeV (per nucleus)
8.69292855 MeV (average binding energy per nucleon)
Separation energy:SN = 11.522(4) MeV (first neutron)
SP = 9.1143(12) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
0+Charge radius:4.1970(28) femtometer fmYear of discovery:1920

 

Parent Nuclides

Direct parent isotopes are: 80Rb, 80Br.

 

Occurrence

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

 

Atomic Mass maQuantityHalf-lifeSpin
Krypton
Isotopic mixture
83.798 u100 %
Isotope 78Kr77.920365(5) u0.355(3) %stable0+
Isotope 80Kr79.916378(5) u2.286(10) %stable0+
Isotope 82Kr81.913483(6) u11.593(31) %stable0+
Isotope 83Kr82.914127(2) u11.500(19) %stable9/2+
Isotope 84Kr83.91149773(3) u56.987(15) %stable0+
Isotope 86Kr85.91061063(3) u17.279(41) %stable0+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 44) and isobaric (same nucleon number A = 80) with Krypton-80. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 44Isobar A = 80
2367V
2468Cr
2569Mn
2670Fe
2771Co
2872Ni80Ni
2973Cu80Cu
3074Zn80Zn
3175Ga80Ga
3276Ge80Ge
3377As80As
3478Se80Se
3579Br80Br
3680Kr80Kr
3781Rb80Rb
3882Sr80Sr
3983Y80Y
4084Zr80Zr
4185Nb
4286Mo
4387Tc
4488Ru
4589Rh
4690Pd

 

External data and identifiers

Adopted Levels, Gammas:NuDat 80Kr

 


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Last update: 2020-10-14


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