About   |   More   |   Search
ChemLin Logo

Chromium-68

Properties and data of the isotope 68Cr.


Content

See also: list of Chromium isotopes.

 

General data

Name of the isotope:Chromium-68; Cr-68Symbol:68Cr or 6824CrMass number A:68 (= number of nucleons)Atomic number Z:24 (= number of protons)Neutrons N:44Isotopic mass:67.98411(54) u (atomic weight of Chromium-68)Nuclide mass:67.9709444 u (calculated nuclear mass without electrons)Mass excess:-14.80144 MeVMass defect:0.58494707200001 u (per nucleus)Nuclear binding energy:544.87468789 MeV (per nucleus)
8.01286306 MeV (average binding energy per nucleon)
Separation energy:SN = 4.19(64) MeV (first neutron)
SP = 2.144(78) MeV (first proton)
Half-life:360 nsDecay constant λ:1925408.8348887 s-1Specific activity α:1.730609435323 × 10+28 Bq g-1
4.677322798171 × 10+17 Ci g-1
Spin and parity:
(nuclear angular momentum)
0+Year of discovery:2009

 

Radioactive Decay

Half-life T½ = 360 ns respectively 3.6 × 10-7 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-68Mn100 %13.58(64) MeV
β-, n67Mn?10.59(58) MeV

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 44) and isobaric (same nucleon number A = 68) with Chromium-68. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 44Isobar A = 68
2367V
2468Cr68Cr
2569Mn68Mn
2670Fe68Fe
2771Co68Co
2872Ni68Ni
2973Cu68Cu
3074Zn68Zn
3175Ga68Ga
3276Ge68Ge
3377As68As
3478Se68Se
3579Br68Br
3680Kr68Kr
3781Rb
3882Sr
3983Y
4084Zr
4185Nb
4286Mo
4387Tc
4488Ru
4589Rh
4690Pd

 

External data and identifiers

Adopted Levels, Gammas:NuDat 68Cr

 


More Chemistry

isotopes

 

 

 

 

Social Media

Facebook

LinkedIn

Twitter

 

 


Last update: 2020-10-13


© 1996 - 2024 ChemLin