Copper-54

Properties and data of the isotope ⁵⁴Cu.

Content

General data

Name of the isotope:Copper-54; Cu-54Symbol:⁵⁴Cu or 5429CuMass number A:54 (= number of nucleons)Atomic number Z:29 (= number of protons)Neutrons N:25Isotopic mass:53.97701(43) u (atomic weight of Copper-54)Nuclide mass:53.9611016 u (calculated nuclear mass without electrons)Mass excess:-21.41505 MeVMass defect:0.466538828 u (per nucleus)Nuclear binding energy:434.57811905 MeV (per nucleus)
8.04774295 MeV (average binding energy per nucleon)Separation energy:S_N = 16.21(64) MeV (first neutron)Half-life:75 nsDecay constant λ:9241962.4074659 s^-1Specific activity α:1.050120744150 × 10⁺²⁹ Bq g^-1
2.838164173380 × 10⁺¹⁸ Ci g^-1Spin and parity:
(nuclear angular momentum)3+Mirror nucleus:Manganese-54

Radioactive Decay

Half-life T_½ = 75 ns respectively 7.5 × 10^-8 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
p	⁵³Ni	?

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 25) and isobaric (same nucleon number A = 54) with Copper-54. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 25	Isobar A = 54
11	³⁶Na
12	³⁷Mg
13	³⁸Al
14	³⁹Si
15	⁴⁰P
16	⁴¹S
17	⁴²Cl
18	⁴³Ar
19	⁴⁴K	⁵⁴K
20	⁴⁵Ca	⁵⁴Ca
21	⁴⁶Sc	⁵⁴Sc
22	⁴⁷Ti	⁵⁴Ti
23	⁴⁸V	⁵⁴V
24	⁴⁹Cr	⁵⁴Cr
25	⁵⁰Mn	⁵⁴Mn
26	⁵¹Fe	⁵⁴Fe
27	⁵²Co	⁵⁴Co
28	⁵³Ni	⁵⁴Ni
29	⁵⁴Cu	⁵⁴Cu
30	⁵⁵Zn	⁵⁴Zn