About   |   More   |   Search
ChemLin Logo

Ytterbium-151

Properties and data of the isotope 151Yb.


Contents

See also: list of Ytterbium isotopes.

 

General data

Name of the isotope:Ytterbium-151; Yb-151Symbol:151Yb or 15170YbMass number A:151 (= number of nucleons)Atomic number Z:70 (= number of protons)Neutrons N:81Isotopic mass:150.95540(32) u (atomic weight of Ytterbium-151)Nuclide mass:150.9170029 u (calculated nuclear mass without electrons)Mass excess:-41.54463 MeVMass defect:1.294210436 u (per nucleus)Nuclear binding energy:1205.54925587 MeV (per nucleus)
7.98376991 MeV (average binding energy per nucleon)
Separation energy:SN = 10.97(42) MeV (first neutron)
SP = 2.34(36) MeV (first proton)
Half-life:1.6(1) sDecay constant λ:0.43321698784997 s-1Specific activity α:1.739262482 × 10+21 Bq g-1
47007094121.622 Ci g-1
Spin and parity:
(nuclear angular momentum)
(1/2+)Year of discovery:1985

 

Radioactive Decay

Half-life T½ = 1.6(1) s.

Decay
mode
DaughterProbabilityDecay energyγ energy
(intensity)
EC/β+151Tm< 100 %9.23(30) MeV
EC, p150Er> 0 %

 

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear IsomerExcitation EnergyHalf-lifeSpin
151m1Yb+x keV1.6(1) s(11/2-)
151m2Yb+y kev2.6(7) μs
151m3Yb+z keV20(1) μs(27/2-)

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 81) and isobaric (same nucleon number A = 151) with Ytterbium-151. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

ZIsotone N = 81Isobar A = 151
45126Rh
46127Pd
47128Ag
48129Cd
49130In
50131Sn
51132Sb
52133Te
53134I
54135Xe
55136Cs151Cs
56137Ba151Ba
57138La151La
58139Ce151Ce
59140Pr151Pr
60141Nd151Nd
61142Pm151Pm
62143Sm151Sm
63144Eu151Eu
64145Gd151Gd
65146Tb151Tb
66147Dy151Dy
67148Ho151Ho
68149Er151Er
69150Tm151Tm
70151Yb151Yb
71152Lu151Lu
72153Hf

 

External data and identifiers

Adopted Levels, Gammas:NuDat 151Yb

 


More Chemistry

isotopes

Social Media

Facebook

LinkedIn

Twitter


Last update: 2020-10-11


© 1996 - 2024 ChemLin