Molybdenum-115
Properties and data of the isotope 115Mo.
See also: List of individual Molybdenum isotopes (and general data sources).
General data
Name of the isotope:Molybdenum-115; Mo-115Symbol:115Mo or 11542MoMass number A:115 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:73Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.7380952380952 (= neutron-proton ratio)Neutron excess (N-Z):31Isotopic mass:114.95196(43) u (atomic weight of Molybdenum-115)Nuclide mass:114.9289207 u (calculated nuclear mass without electrons)Mass excess:-44.74897 MeVMass defect:1.009230212 u (per nucleus)Nuclear binding energy:940.0918871 MeV (per nucleus)
8.17471206 MeV (average binding energy per nucleon)Separation energy:SN = 3.01(50) MeV (first neutron)
SP = 16.65(64) MeV (first proton)Half-life:45.5(20) msDecay constant λ:15.23400396835 s-1Specific activity α:8.047484013880 × 10+22 Bq g-1
2174995679427.3 Ci g-1Spin and parity:
(nuclear angular momentum)Year of discovery:2010
Radioactive Decay
Half-life T½ = 45.5(20) ms respectively 4.55 × 10-2 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 115Tc | | 11.57(88) MeV | |
| β-, n | 114Tc | ? | 5.78(59) MeV | |
| β-, 2n | | ? | | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 73) and isobaric (same nucleon number A = 115) with Molybdenum-115. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 73 | Isobar A = 115 |
|---|
| 41 | 114Nb | 115Nb |
| 42 | 115Mo | 115Mo |
| 43 | 116Tc | 115Tc |
| 44 | 117Ru | 115Ru |
| 45 | 118Rh | 115Rh |
| 46 | 119Pd | 115Pd |
| 47 | 120Ag | 115Ag |
| 48 | 121Cd | 115Cd |
| 49 | 122In | 115In |
| 50 | 123Sn | 115Sn |
| 51 | 124Sb | 115Sb |
| 52 | 125Te | 115Te |
| 53 | 126I | 115I |
| 54 | 127Xe | 115Xe |
| 55 | 128Cs | 115Cs |
| 56 | 129Ba | 115Ba |
| 57 | 130La | |
| 58 | 131Ce | |
| 59 | 132Pr | |
| 60 | 133Nd | |
| 61 | 134Pm | |
| 62 | 135Sm | |
| 63 | 136Eu | |
| 64 | 137Gd | |
| 65 | 138Tb | |
| 66 | 139Dy | |
| 67 | 140Ho | |
External data and identifiers
Last update: 2020-10-15
Perma link: https://www.chemlin.org/isotope/molybdenum-115
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