Zinc-60

Properties and data of the isotope ⁶⁰Zn.

Contents

General data

Name of the isotope:Zinc-60; Zn-60Symbol:⁶⁰Zn or 6030ZnMass number A:60 (= number of nucleons)Atomic number Z:30 (= number of protons)Neutrons N:30Isotopic mass:59.9418414(6) u (atomic weight of Zinc-60)Nuclide mass:59.9253845 u (calculated nuclear mass without electrons)Mass excess:-54.17439 MeVMass defect:0.55285704 u (per nucleus)Nuclear binding energy:514.98301562 MeV (per nucleus)
8.58305026 MeV (average binding energy per nucleon)Separation energy:S_N = 15.0301(7) MeV (first neutron)
S_P = 5.1050(4) MeV (first proton)Half-life:2.38(5) minDecay constant λ:0.0048539718526607 s^-1Specific activity α:4.954458004557 × 10⁺¹⁹ Bq g^-1
1339042703.9345 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1955

Radioactive Decay

Half-life T_½ = 2.38(5) min (minutes) respectively 1.428 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	⁶⁰Cu	100 %	4.1708(17) MeV

Parent Nuclides

Direct parent isotope is: ⁶⁰Ga.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 30) and isobaric (same nucleon number A = 60) with Zinc-60. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 30	Isobar A = 60
13	⁴³Al
14	⁴⁴Si
15	⁴⁵P
16	⁴⁶S
17	⁴⁷Cl
18	⁴⁸Ar
19	⁴⁹K
20	⁵⁰Ca
21	⁵¹Sc	⁶⁰Sc
22	⁵²Ti	⁶⁰Ti
23	⁵³V	⁶⁰V
24	⁵⁴Cr	⁶⁰Cr
25	⁵⁵Mn	⁶⁰Mn
26	⁵⁶Fe	⁶⁰Fe
27	⁵⁷Co	⁶⁰Co
28	⁵⁸Ni	⁶⁰Ni
29	⁵⁹Cu	⁶⁰Cu
30	⁶⁰Zn	⁶⁰Zn
31	⁶¹Ga	⁶⁰Ga
32	⁶²Ge	⁶⁰Ge
33	⁶³As
34	⁶⁴Se