Ruthenium-102
Properties and data of the isotope 102Ru.
See also: list of Ruthenium isotopes.
General data
Name of the isotope:Ruthenium-102; Ru-102Symbol:102Ru or 10244RuMass number A:102 (= number of nucleons)Atomic number Z:44 (= number of protons)Neutrons N:58Isotopic mass:101.904344(8) u (atomic weight of Ruthenium-102)Nuclide mass:101.8802077 u (calculated nuclear mass without electrons)Mass excess:-89.10299 MeVMass defect:0.94252253600001 u (per nucleus)Nuclear binding energy:877.95408715 MeV (per nucleus)
8.60739301 MeV (average binding energy per nucleon)Separation energy:SN = 9.21964(5) MeV (first neutron)
SP = 10.051(24) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)0+Charge radius:4.4809(18) femtometer fmYear of discovery:1931
Parent Nuclides
Direct parent isotopes are: 102Rh, 102Tc.
Occurrence
Comparison of the natural Ruthenium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):
| Atomic Mass ma | Quantity | Half-life | Spin |
---|
Ruthenium Isotopic mixture | 101.07 u | 100 % | | |
Isotope 96Ru | 95.907590(3) u | 5.54(14) % | stable | 0+ |
Isotope 98Ru | 97.90529(5) u | 1.87(3) % | stable | 0+ |
Isotope 99Ru | 98.905934(7) u | 12.76(14) % | stable | 5/2+ |
Isotope 100Ru | 99.904214(7) u | 12.60(7) % | stable | 0+ |
Isotope 101Ru | 100.905577(8) u | 17.06(2) % | stable | 5/2+ |
Isotope 102Ru | 101.904344(8) u | 31.55(14) % | stable | 0+ |
Isotope 104Ru | 103.90543(2) u | 18.62(27) % | stable | 0+ |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 58) and isobaric (same nucleon number A = 102) with Ruthenium-102. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
Z | Isotone N = 58 | Isobar A = 102 |
32 | 90Ge | |
33 | 91As | |
34 | 92Se | |
35 | 93Br | |
36 | 94Kr | |
37 | 95Rb | 102Rb |
38 | 96Sr | 102Sr |
39 | 97Y | 102Y |
40 | 98Zr | 102Zr |
41 | 99Nb | 102Nb |
42 | 100Mo | 102Mo |
43 | 101Tc | 102Tc |
44 | 102Ru | 102Ru |
45 | 103Rh | 102Rh |
46 | 104Pd | 102Pd |
47 | 105Ag | 102Ag |
48 | 106Cd | 102Cd |
49 | 107In | 102In |
50 | 108Sn | 102Sn |
51 | 109Sb | |
52 | 110Te | |
53 | 111I | |
54 | 112Xe | |
55 | 113Cs | |
56 | 114Ba | |
External data and identifiers
Last update: 2020-10-15
Perma link: https://www.chemlin.org/isotope/ruthenium-102
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