Krypton-96

Properties and data of the isotope ⁹⁶Kr.

Contents

See also: List of individual Krypton isotopes (and general data sources).

General data

Name of the isotope:Krypton-96; Kr-96Symbol:⁹⁶Kr or 9636KrMass number A:96 (= number of nucleons)Atomic number Z:36 (= number of protons)Neutrons N:60Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.6666666666667 (= neutron-proton ratio)Neutron excess (N-Z):24Isotopic mass:95.943017(22) u (atomic weight of Krypton-96)Nuclide mass:95.9232689 u (calculated nuclear mass without electrons)Mass excess:-53.07932 MeVMass defect:0.858579112 u (per nucleus)Nuclear binding energy:799.76129135 MeV (per nucleus)
8.33084678 MeV (average binding energy per nucleon)Separation energy:S_N = 4.992(28) MeV (first neutron)
S_P = 16.60(30) MeV (first proton)Half-life:80(8) msDecay constant λ:8.6643397569993 s^-1Specific activity α:5.492407839473 × 10⁺²² Bq g^-1
1484434551209.1 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Charge radius:4.3267(158) femtometer fmYear of discovery:1994

Radioactive Decay

Half-life T_½ = 80(8) ms respectively 8.0 × 10^-2 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁹⁶Rb	96.3 %	8.275(21) MeV
β^-, n	⁹⁵Rb	3.7(4) %	4.740(29) MeV

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 60) and isobaric (same nucleon number A = 96) with Krypton-96. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 60	Isobar A = 96
34	⁹⁴Se
35	⁹⁵Br	⁹⁶Br
36	⁹⁶Kr	⁹⁶Kr
37	⁹⁷Rb	⁹⁶Rb
38	⁹⁸Sr	⁹⁶Sr
39	⁹⁹Y	⁹⁶Y
40	¹⁰⁰Zr	⁹⁶Zr
41	¹⁰¹Nb	⁹⁶Nb
42	¹⁰²Mo	⁹⁶Mo
43	¹⁰³Tc	⁹⁶Tc
44	¹⁰⁴Ru	⁹⁶Ru
45	¹⁰⁵Rh	⁹⁶Rh
46	¹⁰⁶Pd	⁹⁶Pd
47	¹⁰⁷Ag	⁹⁶Ag
48	¹⁰⁸Cd	⁹⁶Cd
49	¹⁰⁹In	⁹⁶In
50	¹¹⁰Sn
51	¹¹¹Sb
52	¹¹²Te
53	¹¹³I
54	¹¹⁴Xe
55	¹¹⁵Cs
56	¹¹⁶Ba
57	¹¹⁷La