About   |   More   |   Search
ChemLin Logo

Chlorine-43

Properties and data of the isotope 43Cl.


Content

See also: list of Chlorine isotopes.

 

General data

Name of the isotope:Chlorine-43; Cl-43Symbol:43Cl or 4317ClMass number A:43 (= number of nucleons)Atomic number Z:17 (= number of protons)Neutrons N:26Isotopic mass:42.97406(7) u (atomic weight of Chlorine-43)Nuclide mass:42.9647343 u (calculated nuclear mass without electrons)Mass excess:-24.16295 MeVMass defect:0.38425336 u (per nucleus)Nuclear binding energy:357.92969932 MeV (per nucleus)
8.3239465 MeV (average binding energy per nucleon)
Separation energy:SN = 7.40(9) MeV (first neutron)
SP = 13.81(6) MeV (first proton)
Half-life:3.13(9) sDecay constant λ:0.22145277334184 s-1Specific activity α:3.175285225924 × 10+21 Bq g-1
85818519619.573 Ci g-1
Spin and parity:
(nuclear angular momentum)
(1/2+)Year of discovery:1976

 

Radioactive Decay

Half-life T½ = 3.13(9) s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-43Ar100 %7.60166 MeV

 

Parent Nuclides

Direct parent isotopes are: 43S, 44S.

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 26) and isobaric (same nucleon number A = 43) with Chlorine-43. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 26Isobar A = 43
1137Na
1238Mg
1339Al43Al
1440Si43Si
1541P43P
1642S43S
1743Cl43Cl
1844Ar43Ar
1945K43K
2046Ca43Ca
2147Sc43Sc
2248Ti43Ti
2349V43V
2450Cr43Cr
2551Mn43Mn
2652Fe
2753Co
2854Ni
2955Cu
3056Zn

 

External data and identifiers

Adopted Levels, Gammas:NuDat 43Cl

 


More Chemistry

isotopes

 

 

 

 

Social Media

Facebook

LinkedIn

Twitter

 

 


Last update: 2020-10-12


© 1996 - 2024 ChemLin