Terbium-160
Properties and data of the isotope 160Tb.
See also: list of Terbium isotopes.
General data
Name of the isotope:Terbium-160; Tb-160Symbol:160Tb or 16065TbMass number A:160 (= number of nucleons)Atomic number Z:65 (= number of protons)Neutrons N:95Isotopic mass:159.9271748(14) u (atomic weight of Terbium-160)Nuclide mass:159.8915201 u (calculated nuclear mass without electrons)Mass excess:-67.83624 MeVMass defect:1.4046193 u (per nucleus)Nuclear binding energy:1308.39445023 MeV (per nucleus)
8.17746531 MeV (average binding energy per nucleon)Separation energy:SN = 6.37521(13) MeV (first neutron)
SP = 6.5638(8) MeV (first proton)Half-life:72.3(2) dDecay constant λ:1.109617816325 × 10-7 s-1Specific activity α:4.202688547553 × 10+14 Bq g-1
11358.617696091 Ci g-1Spin and parity:
(nuclear angular momentum)3-Magnetic dipole moment:μ(μN) = + 1.790(7)Quadrupole moment Q:+ 3.85(5) barn (100 fm2)Nuclear g-factor:gl = 0.59666666666667Year of discovery:1943
Radioactive Decay
Half-life T½ = 72.3(2) d respectively 6.24672 × 106 seconds s.
| Decay mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 160Dy | 100 % | 1.8365(12) MeV | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 95) and isobaric (same nucleon number A = 160) with Terbium-160. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| OZ | Isotone N = 95 | Isobar A = 160 |
|---|
| 55 | 150Cs | |
| 56 | 151Ba | |
| 57 | 152La | |
| 58 | 153Ce | |
| 59 | 154Pr | 160Pr |
| 60 | 155Nd | 160Nd |
| 61 | 156Pm | 160Pm |
| 62 | 157Sm | 160Sm |
| 63 | 158Eu | 160Eu |
| 64 | 159Gd | 160Gd |
| 65 | 160Tb | 160Tb |
| 66 | 161Dy | 160Dy |
| 67 | 162Ho | 160Ho |
| 68 | 163Er | 160Er |
| 69 | 164Tm | 160Tm |
| 70 | 165Yb | 160Yb |
| 71 | 166Lu | 160Lu |
| 72 | 167Hf | 160Hf |
| 73 | 168Ta | 160Ta |
| 74 | 169W | 160W |
| 75 | 170Re | 160Re |
| 76 | 171Os | |
| 77 | 172Ir | |
| 78 | 173Pt | |
| 79 | 174Au | |
| 80 | 175Hg | |
| 81 | 176Tl | |
External data and identifiers
Last update: 2020-10-08
Perma link: https://www.chemlin.org/isotope/terbium-160
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