Nickel-67

Properties and data of the isotope ⁶⁷Ni.

Content

General data

Name of the isotope:Nickel-67; Ni-67Symbol:⁶⁷Ni or 6728NiMass number A:67 (= number of nucleons)Atomic number Z:28 (= number of protons)Neutrons N:39Isotopic mass:66.931569(3) u (atomic weight of Nickel-67)Nuclide mass:66.9162092 u (calculated nuclear mass without electrons)Mass excess:-63.74307 MeVMass defect:0.62546362 u (per nucleus)Nuclear binding energy:582.61560925 MeV (per nucleus)
8.69575536 MeV (average binding energy per nucleon)Separation energy:S_N = 5.808(3) MeV (first neutron)
S_P = 14.623(14) MeV (first proton)Half-life:21(1)sDecay constant λ:0.033007008598093 s^-1Specific activity α:3.011709926406 × 10⁺²⁰ Bq g^-1
8139756557.8565 Ci g^-1Spin and parity:
(nuclear angular momentum)(1/2)-Magnetic dipole moment:μ(μ_N) = + 0.601(5)Nuclear g-factor:g_l = 1.202Year of discovery:1978

Radioactive Decay

Half-life T_½ = 21(1)s respectively 2.1 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁶⁷Cu	100 %	3.577(3) MeV

Parent Nuclides

Direct parent isotope is: ⁶⁷Co.

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear Isomer	Excitation Energy	Half-life	Spin
^67mNi	1007.2 keV	13.3(2) μs	(9/2+)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 39) and isobaric (same nucleon number A = 67) with Nickel-67. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 39	Isobar A = 67
21	⁶⁰Sc
22	⁶¹Ti
23	⁶²V	⁶⁷V
24	⁶³Cr	⁶⁷Cr
25	⁶⁴Mn	⁶⁷Mn
26	⁶⁵Fe	⁶⁷Fe
27	⁶⁶Co	⁶⁷Co
28	⁶⁷Ni	⁶⁷Ni
29	⁶⁸Cu	⁶⁷Cu
30	⁶⁹Zn	⁶⁷Zn
31	⁷⁰Ga	⁶⁷Ga
32	⁷¹Ge	⁶⁷Ge
33	⁷²As	⁶⁷As
34	⁷³Se	⁶⁷Se
35	⁷⁴Br	⁶⁷Br
36	⁷⁵Kr	⁶⁷Kr
37	⁷⁶Rb
38	⁷⁷Sr
39	⁷⁸Y
40	⁷⁹Zr
42	⁸¹Mo