Krypton-83m2

Properties and data of the isotope ^83m2Kr.

Contents

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

General data

Name of the isotope:Krypton-83m2; Kr-83m2Symbol:^83m2Kr or 83m236KrMass 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-83m2)
Excitation energy: 41.5575(7) 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:1.83(2) hDecay constant λ:0.0001052135975349 s^-1Specific activity α:7.72696469190 × 10⁺¹⁷ Bq g^-1
20883688.356489 Ci g^-1Spin and parity:
(nuclear angular momentum)1/2-Magnetic dipole moment:μ(μ_N) = + 0.591(2)Nuclear g-factor:g_l = 1.182

Radioactive Decay

Half-life T_½ = 1.83(2) h (hours) respectively 6.588 × 10³ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
Iso	⁸³Kr	100 %	0.0416 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
⁸³Kr		stable	9/2+
^83m1Kr	9.4057(6) keV	156.8(5) ns	7/2+

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-83m2. 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