Technetium-93m2

Properties and data of the isotope ^93m2Tc.

Contents

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

General data

Name of the isotope:Technetium-93m2; Tc-93m2Symbol:^93m2Tc or 93m243TcMass number A:93 (= number of nucleons)Atomic number Z:43 (= number of protons)Neutrons N:50Isotopic mass:92.9102451(11) u (atomic weight of Technetium-93m2)
Excitation energy: 2185.16(15)Nuclide mass:92.8866573 u (calculated nuclear mass without electrons)Mass excess:-83.60615 MeVMass defect:0.859477076 u (per nucleus)Nuclear binding energy:800.59773943 MeV (per nucleus)
8.60857784 MeV (average binding energy per nucleon)Half-life:10.2(3) μsDecay constant λ:67955.60593725 s^-1Specific activity α:4.448241643222 × 10⁺²⁶ Bq g^-1
1.202227471141 × 10⁺¹⁶ Ci g^-1Spin and parity:
(nuclear angular momentum)(17/2)-Magnetic dipole moment:μ(μ_N) = +10.46(5)Nuclear g-factor:g_l = 1.2305882352941

Radioactive Decay

Half-life T_½ = 10.2(3) μs respectively 1.02 × 10^-5 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
Iso	⁹³Tc	100 %	2.185 MeV

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
⁹³Tc		2.75(5) h	9/2+
^93m1Tc	391.84(8) keV	43.5(10) min	1/2-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 50) and isobaric (same nucleon number A = 93) with Technetium-93m2. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 50	Isobar A = 93
28	⁷⁸Ni
29	⁷⁹Cu
30	⁸⁰Zn
31	⁸¹Ga
32	⁸²Ge
33	⁸³As
34	⁸⁴Se	⁹³Se
35	⁸⁵Br	⁹³Br
36	⁸⁶Kr	⁹³Kr
37	⁸⁷Rb	⁹³Rb
38	⁸⁸Sr	⁹³Sr
39	⁸⁹Y	⁹³Y
40	⁹⁰Zr	⁹³Zr
41	⁹¹Nb	⁹³Nb
42	⁹²Mo	⁹³Mo
43	⁹³Tc	⁹³Tc
44	⁹⁴Ru	⁹³Ru
45	⁹⁵Rh	⁹³Rh
46	⁹⁶Pd	⁹³Pd
47	⁹⁷Ag	⁹³Ag
48	⁹⁸Cd
49	⁹⁹In
50	¹⁰⁰Sn