About   |   More   |   Search
ChemLin Logo

Gallium-70

Properties and data of the isotope 70Ga.


Contents

See also: list of Gallium isotopes.

 

General data

Name of the isotope:Gallium-70; Ga-70Symbol:70Ga or 7031GaMass number A:70 (= number of nucleons)Atomic number Z:31 (= number of protons)Neutrons N:39Isotopic mass:69.9260219(13) u (atomic weight of Gallium-70)Nuclide mass:69.9090165 u (calculated nuclear mass without electrons)Mass excess:-68.91016 MeVMass defect:0.654485816 u (per nucleus)Nuclear binding energy:609.64961069 MeV (per nucleus)
8.70928015 MeV (average binding energy per nucleon)
Separation energy:SN = 7.65365(17) MeV (first neutron)
SP = 7.7813(14) MeV (first proton)
Half-life:21.14(3) minDecay constant λ:0.0005464736522863 s-1Specific activity α:4.769480159872 × 10+18 Bq g-1
128904869.18575 Ci g-1
Spin and parity:
(nuclear angular momentum)
1+Magnetic dipole moment:μ(μN) = +0.571(2)Quadrupole moment Q:+0.105(7) barn (100 fm2)Nuclear g-factor:gl = 0.571Year of discovery:1937

 

Radioactive Decay

Half-life T½ = 21.14(3) min (minutes) respectively 1.2684 × 103 seconds s.

Decay
mode
DaughterProbabilityDecay energyγ energy
(intensity)
EC70Zn0.41(5) %0.6546(23) MeV
β-70Ge99.59(5) %1.6517(15) MeV

 

Parent Nuclides

Direct parent isotopes are: 70Ge, 70Zn.

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 39) and isobaric (same nucleon number A = 70) with Gallium-70. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

ZIsotone N = 39Isobar A = 70
2160Sc
2261Ti
2362V
2463Cr
2564Mn70Mn
2665Fe70Fe
2766Co70Co
2867Ni70Ni
2968Cu70Cu
3069Zn70Zn
3170Ga70Ga
3271Ge70Ge
3372As70As
3473Se70Se
3574Br70Br
3675Kr70Kr
3776Rb
3877Sr
3978Y
4079Zr
4281Mo

 

External data and identifiers

Adopted Levels, Gammas:NuDat 70Ga

 


More Chemistry

isotopes

Social Media

Facebook

LinkedIn

Twitter


Last update: 2020-10-14


© 1996 - 2025 ChemLin