Tin-119
Properties and data of the isotope 119Sn.
See also: list of Tin isotopes.
General data
Name of the isotope:Tin-119; Sn-119Symbol:119Sn or 11950SnMass number A:119 (= number of nucleons)Atomic number Z:50 (= number of protons)Neutrons N:69Isotopic mass:118.903311(5) u (atomic weight of Tin-119)Nuclide mass:118.8758836 u (calculated nuclear mass without electrons)Mass excess:-90.06522 MeVMass defect:1.085819804 u (per nucleus)Nuclear binding energy:1011.43463251 MeV (per nucleus)
8.49945069 MeV (average binding energy per nucleon)Separation energy:SN = 6.4835(5) MeV (first neutron)
SP = 10.126(8) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)1/2+Magnetic dipole moment:μ(μN) = -1.0459(5)Charge radius:4.6438(20) femtometer fmYear of discovery:1925
Parent Nuclides
Direct parent isotopes are: 119Sb, 119In.
Occurrence
Comparison of the natural Tin isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):
| | Atomic Mass ma | Quantity | Half-life | Spin |
|---|
Tin
Isotopic mixture | 118.710 u | 100 % | | |
| Isotope 112Sn | 111.904824(4) u | 0.97(1) % | stable | 0+ |
| Isotope 114Sn | 113.902783(6) u | 0.66(1) % | stable | 0+ |
| Isotope 115Sn | 114.9033447(1) u | 0.34(1) % | stable | 1/2+ |
| Isotope 116Sn | 115.901743(1) u | 14.54(9) % | stable | 0+ |
| Isotope 117Sn | 116.902954(3) u | 7.68(7) % | stable | 1/2+ |
| Isotope 118Sn | 117.901607(3) u | 24.22(9) % | stable | 0+ |
| Isotope 119Sn | 118.903311(5) u | 8.59(4) % | stable | 1/2+ |
| Isotope 120Sn | 119.902202(6) u | 32.58(9) % | stable | 0+ |
| Isotope 122Sn | 121.90344(2) u | 4.63(3) % | stable | 0+ |
| Isotope 124Sn | 123.905277(7) u | 5.79(5) % | stable | 0+ |
