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Chromium-47

Properties and data of the isotope 47Cr.


Content

See also: list of Chromium isotopes.

 

General data

Name of the isotope:Chromium-47; Cr-47Symbol:47Cr or 4724CrMass number A:47 (= number of nucleons)Atomic number Z:24 (= number of protons)Neutrons N:23Isotopic mass:46.962896(6) u (atomic weight of Chromium-47)Nuclide mass:46.9497304 u (calculated nuclear mass without electrons)Mass excess:-34.56215 MeVMass defect:0.424197836 u (per nucleus)Nuclear binding energy:395.13773905 MeV (per nucleus)
8.40718594 MeV (average binding energy per nucleon)
Separation energy:SN = 13.162(13) MeV (first neutron)
SP = 4.776(6) MeV (first proton)
Half-life:500(15) msDecay constant λ:1.3862943611199 s-1Specific activity α:1.814882590434 × 10+22 Bq g-1
490508808225.62 Ci g-1
Spin and parity:
(nuclear angular momentum)
3/2-Mirror nucleus:Vanadium-47Year of discovery:1972

 

Radioactive Decay

Half-life T½ = 500(15) ms respectively 5.00 × 10-1 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
EE β+47V100 %7.444(6) MeV

 

Parent Nuclides

Direct parent isotope is: 47Mn.

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 23) and isobaric (same nucleon number A = 47) with Chromium-47. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 23Isobar A = 47
1033Ne
1134Na
1235Mg
1336Al
1437Si
1538P
1639S47S
1740Cl47Cl
1841Ar47Ar
1942K47K
2043Ca47Ca
2144Sc47Sc
2245Ti47Ti
2346V47V
2447Cr47Cr
2548Mn47Mn
2649Fe47Fe
2750Co47Co
2851Ni

 

External data and identifiers

Adopted Levels, Gammas:NuDat 47Cr

 


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Last update: 2023-10-04


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