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Magnesium-34

Properties and data of the isotope 34Mg.


Content

See also: list of Magnesium isotopes.

 

General data

Name of the isotope:Magnesium-34; Mg-34Symbol:34Mg or 3412MgMass number A:34 (= number of nucleons)Atomic number Z:12 (= number of protons)Neutrons N:22Isotopic mass:34.00894(3) u (atomic weight of Magnesium-34)Nuclide mass:34.0023571 u (calculated nuclear mass without electrons)Mass excess:8.32756 MeVMass defect:0.275588536 u (per nucleus)Nuclear binding energy:256.70906775 MeV (per nucleus)
7.5502667 MeV (average binding energy per nucleon)
Separation energy:SN = 4.710(29) MeV (first neutron)
SP = 22.75(45) MeV (first proton)
Half-life:20(10) msDecay constant λ:3.4657359027997 s-1Specific activity α:6.138573467647 × 10+22 Bq g-1
1659073910174.9 Ci g-1
Spin and parity:
(nuclear angular momentum)
0+Year of discovery:1979

 

Radioactive Decay

Half-life T½ = 20(10) ms respectively 2.0 × 10-1 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-34Al11.60756 MeV
β-, n33Al8.9263 MeV

 

Parent Nuclides

Direct parent isotopes are: 34Na, 35Na.

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 22) and isobaric (same nucleon number A = 34) with Magnesium-34. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 22Isobar A = 34
931F
1032Ne34Ne
1133Na34Na
1234Mg34Mg
1335Al34Al
1436Si34Si
1537P34P
1638S34S
1739Cl34Cl
1840Ar34Ar
1941K34K
2042Ca34Ca
2143Sc
2244Ti
2345V
2446Cr
2547Mn
2648Fe
2749Co
2850Ni

 

External data and identifiers

Adopted Levels, Gammas:NuDat 34Mg

 


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Last update: 2020-10-12


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