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Chlorine-47

Properties and data of the isotope 47Cl.


Content

See also: list of Chlorine isotopes.

 

General data

Name of the isotope:Chlorine-47; Cl-47Symbol:47Cl or 4717ClMass number A:47 (= number of nucleons)Atomic number Z:17 (= number of protons)Neutrons N:30Isotopic mass:46.98950(43) u (atomic weight of Chlorine-47)Nuclide mass:46.9801743 u (calculated nuclear mass without electrons)Mass excess:-9.78069 MeVMass defect:0.403473024 u (per nucleus)Nuclear binding energy:375.83270102 MeV (per nucleus)
7.99644045 MeV (average binding energy per nucleon)
Separation energy:SN = 3.99(45) MeV (first neutron)
SP = 17.41(64) MeV (first proton)
Half-life:101(6) msDecay constant λ:6.8628433718806 s-1Specific activity α:8.984567279380 × 10+22 Bq g-1
2428261426859.5 Ci g-1
Spin and parity:
(nuclear angular momentum)
3/2+Year of discovery:1989

 

Radioactive Decay

Half-life T½ = 101(6) ms respectively 1.01 × 10-1 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-47Ar97 %15.59(40) MeV
β-, n46Ar< 3 %11.92(40) MeV

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 30) and isobaric (same nucleon number A = 47) with Chlorine-47. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 30Isobar A = 47
1343Al
1444Si
1545P
1646S47S
1747Cl47Cl
1848Ar47Ar
1949K47K
2050Ca47Ca
2151Sc47Sc
2252Ti47Ti
2353V47V
2454Cr47Cr
2555Mn47Mn
2656Fe47Fe
2757Co47Co
2858Ni
2959Cu
3060Zn
3161Ga
3262Ge
3363As
3464Se

 

External data and identifiers

Adopted Levels, Gammas:NuDat 47Cl

 


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Last update: 2020-10-12


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