Krypton-95
Properties and data of the isotope 95Kr.
See also: List of individual Krypton isotopes (and general data sources).
General data
Name of the isotope:Krypton-95; Kr-95Symbol:95Kr or 9536KrMass number A:95 (= number of nucleons)Atomic number Z:36 (= number of protons)Neutrons N:59Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.6388888888889 (= neutron-proton ratio)Neutron excess (N-Z):23Isotopic mass:94.939711(20) u (atomic weight of Krypton-95)Nuclide mass:94.9199629 u (calculated nuclear mass without electrons)Mass excess:-56.15884 MeVMass defect:0.853220196 u (per nucleus)Nuclear binding energy:794.76949325 MeV (per nucleus)
8.36599467 MeV (average binding energy per nucleon)Separation energy:SN = 2.882(22) MeV (first neutron)
SP = 16.05(30) MeV (first proton)Half-life:114(3) msDecay constant λ:6.0802384259644 s-1Specific activity α:3.895324708846 × 10+22 Bq g-1
1052790461850.4 Ci g-1Spin and parity:
(nuclear angular momentum)1/2(+)Magnetic dipole moment:μ(μN) = - 0.410(3)Nuclear g-factor:gl = -0.82Charge radius:4.3067(136) femtometer fmYear of discovery:1994
Radioactive Decay
Half-life T½ = 114(3) ms respectively 1.14 × 10-1 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 95Rb | 97.1 % | 9.733(28) MeV | |
| β-, n | 94Rb | 2.87(18) % | 4.333(19) MeV | |
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
| Nuclear Isomer | Excitation Energy | Half-life | Spin |
|---|
| 95mKr | 195.5(3) keV | 1.4(2) μs | (7/2+) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 59) and isobaric (same nucleon number A = 95) with Krypton-95. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 59 | Isobar A = 95 |
|---|
| 33 | 92As | |
| 34 | 93Se | 95Se |
| 35 | 94Br | 95Br |
| 36 | 95Kr | 95Kr |
| 37 | 96Rb | 95Rb |
| 38 | 97Sr | 95Sr |
| 39 | 98Y | 95Y |
| 40 | 99Zr | 95Zr |
| 41 | 100Nb | 95Nb |
| 42 | 101Mo | 95Mo |
| 43 | 102Tc | 95Tc |
| 44 | 103Ru | 95Ru |
| 45 | 104Rh | 95Rh |
| 46 | 105Pd | 95Pd |
| 47 | 106Ag | 95Ag |
| 48 | 107Cd | 95Cd |
| 49 | 108In | |
| 50 | 109Sn | |
| 51 | 110Sb | |
| 52 | 111Te | |
| 53 | 112I | |
| 54 | 113Xe | |
| 55 | 114Cs | |
| 56 | 115Ba | |
| 57 | 116La | |
External data and identifiers
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/krypton-95
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