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Sodium-34

Properties and data of the isotope 34Na.


Content

 

Sodium-34 isotope

See also: list of Sodium isotopes.

 

General data

Name of the isotope:Sodium-34; Na-34Symbol:34Na or 3411NaMass number A:34 (= number of nucleons)Atomic number Z:11 (= number of protons)Neutrons N:23Isotopic mass:34.03401(64) u (atomic weight of Sodium-34)Nuclide mass:34.0279757 u (calculated nuclear mass without electrons)Mass excess:31.68011 MeVMass defect:0.25135842 u (per nucleus)Nuclear binding energy:234.13886008 MeV (per nucleus)
6.88643706 MeV (average binding energy per nucleon)
Separation energy:SN = 0.17(75) MeV (first neutron)
SP = 21.61(84) MeV (first proton)
Half-life:5.5(10) msDecay constant λ:126.02676010181 s-1Specific activity α:2.232208533689 × 10+24 Bq g-1
60329960369995 Ci g-1
Spin and parity:
(nuclear angular momentum)
1+Year of discovery:1983

 

Radioactive Decay

Half-life T½ = 5.5(10) ms respectively 5.5 × 10-3 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-34Mgca. 35 %23.952 MeV
β-, n33Mgca. 15 %19.796 MeV
β-, 2n32Mgca. 50 %17,573 MeV

 

Parent Nuclides

Direct parent isotope is: 34Ne.

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 23) and isobaric (same nucleon number A = 34) with Sodium-34. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 23Isobar A = 34
1033Ne34Ne
1134Na34Na
1235Mg34Mg
1336Al34Al
1437Si34Si
1538P34P
1639S34S
1740Cl34Cl
1841Ar34Ar
1942K34K
2043Ca34Ca
2144Sc
2245Ti
2346V
2447Cr
2548Mn
2649Fe
2750Co
2851Ni

 

External data and identifiers

Adopted Levels, Gammas:NuDat 34Na

 


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Last update: 2020-10-12


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