Krypton-83m1

Properties and data of the isotope ^83m1Kr.

Contents

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

General data

Name of the isotope:Krypton-83m1; Kr-83m1Symbol:^83m1Kr or 83m136KrMass number A:83 (= number of nucleons)Atomic number Z:36 (= number of protons)Neutrons N:47Isotopic mass:82.914127(2) u (atomic weight of Krypton-83m1)
Excitation energy: 9.4057(6) keVNuclide mass:82.8943789 u (calculated nuclear mass without electrons)Mass excess:-79.99018 MeVMass defect:0.77482520400001 u (per nucleus)Nuclear binding energy:721.74502857 MeV (per nucleus)
8.69572324 MeV (average binding energy per nucleon)Half-life:156.8(5) nsDecay constant λ:4420581.5086731 s^-1Specific activity α:3.246507869275 × 10⁺²⁸ Bq g^-1
8.774345592637 × 10⁺¹⁷ Ci g^-1Spin and parity:
(nuclear angular momentum)7/2+Magnetic dipole moment:μ(μ_N) = -0.943(2)Quadrupole moment Q:0.495(10) barn (100 fm²)Nuclear g-factor:g_l = -0.26942857142857

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
⁸³Kr		stable	9/2+
^83m2Kr	41.5575(7) keV	1.83(2) h	1/2-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 47) and isobaric (same nucleon number A = 83) with Krypton-83m1. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 47	Isobar A = 83
26	⁷³Fe
27	⁷⁴Co
28	⁷⁵Ni
29	⁷⁶Cu
30	⁷⁷Zn	⁸³Zn
31	⁷⁸Ga	⁸³Ga
32	⁷⁹Ge	⁸³Ge
33	⁸⁰As	⁸³As
34	⁸¹Se	⁸³Se
35	⁸²Br	⁸³Br
36	⁸³Kr	⁸³Kr
37	⁸⁴Rb	⁸³Rb
38	⁸⁵Sr	⁸³Sr
39	⁸⁶Y	⁸³Y
40	⁸⁷Zr	⁸³Zr
41	⁸⁸Nb	⁸³Nb
42	⁸⁹Mo	⁸³Mo
43	⁹⁰Tc
44	⁹¹Ru
45	⁹²Rh
46	⁹³Pd
47	⁹⁴Ag
48	⁹⁵Cd
49	⁹⁶In