Copper-80

Properties and data of the isotope ⁸⁰Cu.

Contents

General data

Name of the isotope:Copper-80; Cu-80Symbol:⁸⁰Cu or 8029CuMass number A:80 (= number of nucleons)Atomic number Z:29 (= number of protons)Neutrons N:51Isotopic mass:79.96114(43) u (atomic weight of Copper-80)Nuclide mass:79.9452316 u (calculated nuclear mass without electrons)Mass excess:-36.19786 MeVMass defect:0.70769664400001 u (per nucleus)Nuclear binding energy:659.21517771 MeV (per nucleus)
8.24018972 MeV (average binding energy per nucleon)Separation energy:S_N = 2.53(50) MeV (first neutron)
S_P = 15.92(72) MeV (first proton)Half-life:113.6 msDecay constant λ:6.1016477161967 s^-1Specific activity α:4.651263547423 × 10⁺²² Bq g^-1
1257098256060.5 Ci g^-1Spin and parity:
(nuclear angular momentum)Year of discovery:1995

Radioactive Decay

Half-life T_½ = 113.6 ms respectively 1.136 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy
β^-	⁸⁰Zn	100 %	15.45(40) MeV
β^-, n	⁷⁹Zn	?	9.16(40) MeV
β^-, 2n	⁷⁸Zn	?

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 51) and isobaric (same nucleon number A = 80) with Copper-80. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 51	Isobar A = 80
28	⁷⁹Ni	⁸⁰Ni
29	⁸⁰Cu	⁸⁰Cu
30	⁸¹Zn	⁸⁰Zn
31	⁸²Ga	⁸⁰Ga
32	⁸³Ge	⁸⁰Ge
33	⁸⁴As	⁸⁰As
34	⁸⁵Se	⁸⁰Se
35	⁸⁶Br	⁸⁰Br
36	⁸⁷Kr	⁸⁰Kr
37	⁸⁸Rb	⁸⁰Rb
38	⁸⁹Sr	⁸⁰Sr
39	⁹⁰Y	⁸⁰Y
40	⁹¹Zr	⁸⁰Zr
41	⁹²Nb
42	⁹³Mo
43	⁹⁴Tc
44	⁹⁵Ru
45	⁹⁶Rh
46	⁹⁷Pd
47	⁹⁸Ag
48	⁹⁹Cd
49	¹⁰⁰In
50	¹⁰¹Sn