Technetium-114
Properties and data of the isotope 114Tc.
See also: List of individual Technetium isotopes (and general data sources).
General data
Name of the isotope:Technetium-114; Tc-114Symbol:114Tc or 11443TcMass number A:114 (= number of nucleons)Atomic number Z:43 (= number of protons)Neutrons N:71Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.6511627906977 (= neutron-proton ratio)Neutron excess (N-Z):28Excitation energy:+x
+yIsotopic mass:113.93709(46) u (atomic weight of Technetium-114)Nuclide mass:113.9135022 u (calculated nuclear mass without electrons)Mass excess:-58.60029 MeVMass defect:1.014595412 u (per nucleus)Nuclear binding energy:945.08953871 MeV (per nucleus)
8.29025911 MeV (average binding energy per nucleon)Separation energy:SN = 3.86(43) MeV (first neutron)
SP = 13.40(53) MeV (first proton)Half-life:0.100 s
0.090 sDecay constant λ:6.9314718055995 s-1Specific activity α:3.694008812389 × 10+22 Bq g-1
998380760105.24 Ci g-1Spin and parity:
(nuclear angular momentum)≥4
(1+)Year of discovery:1994
Radioactive Decay
Half-life T½ = 0.100 s
0.090 s respectively 1 × 10-1 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 114Ru | | 11.62(43) MeV | |
| β-, n | 113Ru | ? | 5.20(43) MeV | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 71) and isobaric (same nucleon number A = 114) with Technetium-114. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 71 | Isobar A = 114 |
|---|
| 40 | 111Zr | |
| 41 | 112Nb | 114Nb |
| 42 | 113Mo | 114Mo |
| 43 | 114Tc | 114Tc |
| 44 | 115Ru | 114Ru |
| 45 | 116Rh | 114Rh |
| 46 | 117Pd | 114Pd |
| 47 | 118Ag | 114Ag |
| 48 | 119Cd | 114Cd |
| 49 | 120In | 114In |
| 50 | 121Sn | 114Sn |
| 51 | 122Sb | 114Sb |
| 52 | 123Te | 114Te |
| 53 | 124I | 114I |
| 54 | 125Xe | 114Xe |
| 55 | 126Cs | 114Cs |
| 56 | 127Ba | 114Ba |
| 57 | 128La | |
| 58 | 129Ce | |
| 59 | 130Pr | |
| 60 | 131Nd | |
| 61 | 132Pm | |
| 62 | 133Sm | |
| 63 | 134Eu | |
| 64 | 135Gd | |
| 65 | 136Tb | |
External data and identifiers
Last update: 2020-10-15
Perma link: https://www.chemlin.org/isotope/technetium-114
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