Technetium-107m1

Properties and data of the isotope ^107m1Tc.

Contents

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

General data

Name of the isotope:Technetium-107m1; Tc-107m1Symbol:^107m1Tc or 107m143TcMass number A:107 (= number of nucleons)Atomic number Z:43 (= number of protons)Neutrons N:64Isotopic mass:106.915458(9) u (atomic weight of Technetium-107m1)
Excitation energy: 30.1(1) keVNuclide mass:106.8918702 u (calculated nuclear mass without electrons)Mass excess:-78.75037 MeVMass defect:0.975573 u (per nucleus)Nuclear binding energy:908.74039606 MeV (per nucleus)
8.4929009 MeV (average binding energy per nucleon)Half-life:3.85(5) μsDecay constant λ:180038.22871687 s^-1Specific activity α:1.022844880666 × 10⁺²⁷ Bq g^-1
2.76444562342 × 10⁺¹⁶ Ci g^-1Spin and parity:
(nuclear angular momentum)(1/2+)

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
¹⁰⁷Tc		21.2(2) s	(3/2-)
^107m2Tc	65.72(14) keV	184(3) ns	(5/2+)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 64) and isobaric (same nucleon number A = 107) with Technetium-107m1. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 64	Isobar A = 107
36	¹⁰⁰Kr
37	¹⁰¹Rb
38	¹⁰²Sr	¹⁰⁷Sr
39	¹⁰³Y	¹⁰⁷Y
40	¹⁰⁴Zr	¹⁰⁷Zr
41	¹⁰⁵Nb	¹⁰⁷Nb
42	¹⁰⁶Mo	¹⁰⁷Mo
43	¹⁰⁷Tc	¹⁰⁷Tc
44	¹⁰⁸Ru	¹⁰⁷Ru
45	¹⁰⁹Rh	¹⁰⁷Rh
46	¹¹⁰Pd	¹⁰⁷Pd
47	¹¹¹Ag	¹⁰⁷Ag
48	¹¹²Cd	¹⁰⁷Cd
49	¹¹³In	¹⁰⁷In
50	¹¹⁴Sn	¹⁰⁷Sn
51	¹¹⁵Sb	¹⁰⁷Sb
52	¹¹⁶Te	¹⁰⁷Te
53	¹¹⁷I
54	¹¹⁸Xe
55	¹¹⁹Cs
56	¹²⁰Ba
57	¹²¹La
58	¹²²Ce
59	¹²³Pr
60	¹²⁴Nd