Technetium-88

Properties and data of the isotope ⁸⁸Tc.

Contents

General Data

Radioactive Decay

Isotones und Isobares

Literature

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

General data

Name of the isotope:Technetium-88; Tc-88Symbol:⁸⁸Tc or 8843TcMass number A:88 (= number of nucleons)Atomic number Z:43 (= number of protons)Neutrons N:45Isotopic mass:87.93378(16) u (atomic weight of Technetium-88)Nuclide mass:87.9101922 u (calculated nuclear mass without electrons)Mass excess:-61.68353 MeVMass defect:0.792617596 u (per nucleus)Nuclear binding energy:738.31853497 MeV (per nucleus)
8.38998335 MeV (average binding energy per nucleon)Separation energy:S_N = 12.06(15) MeV (first neutron)
S_P = 2.09(15) MeV (first proton)Half-life:X: 6.4(8) s
Y: 5.8(2) sDecay constant λ:0.11552453009332 s^-1Specific activity α:7.996609114942 × 10⁺²⁰ Bq g^-1
21612457067.412 Ci g^-1Spin and parity:
(nuclear angular momentum)X: (5+.6+.7+)
Y: (2+. 3+)Year of discovery:1991

Radioactive Decay

Half-life T_½ = X: 6.4(8) s
Y: 5.8(2) s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	⁸⁸Mo	100 %	11.01(15) MeV
EC, p	⁸⁷Nb	?

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
^88mTc	W+95 keV	146(12) ns

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 45) and isobaric (same nucleon number A = 88) with Technetium-88. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

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

External data and identifiers

Adopted Levels, Gammas:NuDat 88Tc

Literature and References

[1] - S. I. Sukhoruchkin, Z. N. Soroko:
Excited Nuclear States for Tc-88 (Technetium).
In: Landolt-Börnstein - Group I Elementary Particles, Nuclei and Atoms 25G, (2016), DOI 10.1007/978-3-662-48875-1.