Strontium-94
Properties and data of the isotope 94Sr.
See also: list of Strontium isotopes.
General data
Name of the isotope:Strontium-94; Sr-94Symbol:94Sr or 9438SrMass number A:94 (= number of nucleons)Atomic number Z:38 (= number of protons)Neutrons N:56Isotopic mass:93.9153556(18) u (atomic weight of Strontium-94)Nuclide mass:93.8945104 u (calculated nuclear mass without electrons)Mass excess:-78.84575 MeVMass defect:0.867230912 u (per nucleus)Nuclear binding energy:807.82039114 MeV (per nucleus)
8.59383395 MeV (average binding energy per nucleon)Separation energy:SN = 6.831(8) MeV (first neutron)
SP = 13.515(8) MeV (first proton)Half-life:75.3(2) sDecay constant λ:0.0092051418401055 s-1Specific activity α:5.96071621471 × 10+19 Bq g-1
1611004382.3543 Ci g-1Spin and parity:
(nuclear angular momentum)0+Charge radius:4.3191(91) femtometer fmYear of discovery:1959
Radioactive Decay
Half-life T½ = 75.3(2) s respectively 7.53 × 101 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
β- | 94Y | 100% | 3.506(6) MeV | |
Parent Nuclides
Direct parent isotope is: 94Rb.
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 56) and isobaric (same nucleon number A = 94) with Strontium-94. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
Z | Isotone N = 56 | Isobar A = 94 |
31 | 87Ga | |
32 | 88Ge | |
33 | 89As | |
34 | 90Se | 94Se |
35 | 91Br | 94Br |
36 | 92Kr | 94Kr |
37 | 93Rb | 94Rb |
38 | 94Sr | 94Sr |
39 | 95Y | 94Y |
40 | 96Zr | 94Zr |
41 | 97Nb | 94Nb |
42 | 98Mo | 94Mo |
43 | 99Tc | 94Tc |
44 | 100Ru | 94Ru |
45 | 101Rh | 94Rh |
46 | 102Pd | 94Pd |
47 | 103Ag | 94Ag |
48 | 104Cd | 94Cd |
49 | 105In | |
50 | 106Sn | |
51 | 107Sb | |
52 | 108Te | |
53 | 109I | |
54 | 110Xe | |
External data and identifiers
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/strontium-94
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