Gallium-76

Properties and data of the isotope ⁷⁶Ga.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

See also: List of individual Gallium isotopes (and general data sources).

General data

Name of the isotope:Gallium-76; Ga-76Symbol:⁷⁶Ga or 7631GaMass number A:76 (= number of nucleons)Atomic number Z:31 (= number of protons)Neutrons N:45Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.4516129032258 (= neutron-proton ratio)Neutron excess (N-Z):14Isotopic mass:75.9288276(21) u (atomic weight of Gallium-76)Nuclide mass:75.9118222 u (calculated nuclear mass without electrons)Mass excess:-66.29666 MeVMass defect:0.703669612 u (per nucleus)Nuclear binding energy:655.46402156 MeV (per nucleus)
8.6245266 MeV (average binding energy per nucleon)Separation energy:S_N = 5.903(3) MeV (first neutron)
S_P = 11.0267(28) MeV (first proton)Half-life:32.6(6) sDecay constant λ:0.021262183452759 s^-1Specific activity α:1.707251516564 × 10⁺²⁰ Bq g^-1
4614193288.0119 Ci g^-1Spin and parity:
(nuclear angular momentum)(2+.3+)Magnetic dipole moment:μ(μ_N) = -0.945(4)Year of discovery:1961

Radioactive Decay

Half-life T_½ = 32.6(6) s respectively 3.26 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁷⁶Ge	100 %	6.9162(20) MeV

Parent Nuclides

Direct parent isotope is: ⁷⁶Zn.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 45) and isobaric (same nucleon number A = 76) with Gallium-76. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 45	Isobar A = 76
23	⁶⁸V
25	⁷⁰Mn
26	⁷¹Fe
27	⁷²Co	⁷⁶Co
28	⁷³Ni	⁷⁶Ni
29	⁷⁴Cu	⁷⁶Cu
30	⁷⁵Zn	⁷⁶Zn
31	⁷⁶Ga	⁷⁶Ga
32	⁷⁷Ge	⁷⁶Ge
33	⁷⁸As	⁷⁶As
34	⁷⁹Se	⁷⁶Se
35	⁸⁰Br	⁷⁶Br
36	⁸¹Kr	⁷⁶Kr
37	⁸²Rb	⁷⁶Rb
38	⁸³Sr	⁷⁶Sr
39	⁸⁴Y	⁷⁶Y
40	⁸⁵Zr
41	⁸⁶Nb
42	⁸⁷Mo
43	⁸⁸Tc
44	⁸⁹Ru
45	⁹⁰Rh
46	⁹¹Pd
47	⁹²Ag