Arsenic-92

Properties and data of the isotope ⁹²As.

Contents

General data

Name of the isotope:Arsenic-92; As-92Symbol:⁹²As or 9233AsMass number A:92 (= number of nucleons)Atomic number Z:33 (= number of protons)Neutrons N:59Isotopic mass:91.96674(54) u (atomic weight of Arsenic-92)Nuclide mass:91.9486375 u (calculated nuclear mass without electrons)Mass excess:-30.98149 MeVMass defect:0.8027161 u (per nucleus)Nuclear binding energy:747.72523085 MeV (per nucleus)
8.12744816 MeV (average binding energy per nucleon)Separation energy:S_N = 2.16(64) MeV (first neutron)Half-life:Spin and parity:
(nuclear angular momentum)Year of discovery:1997

Radioactive Decay

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁹²Se	?	1.574(64) MeV

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 59) and isobaric (same nucleon number A = 92) with Arsenic-92. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 59	Isobar A = 92
33	⁹²As	⁹²As
34	⁹³Se	⁹²Se
35	⁹⁴Br	⁹²Br
36	⁹⁵Kr	⁹²Kr
37	⁹⁶Rb	⁹²Rb
38	⁹⁷Sr	⁹²Sr
39	⁹⁸Y	⁹²Y
40	⁹⁹Zr	⁹²Zr
41	¹⁰⁰Nb	⁹²Nb
42	¹⁰¹Mo	⁹²Mo
43	¹⁰²Tc	⁹²Tc
44	¹⁰³Ru	⁹²Ru
45	¹⁰⁴Rh	⁹²Rh
46	¹⁰⁵Pd	⁹²Pd
47	¹⁰⁶Ag	⁹²Ag
48	¹⁰⁷Cd
49	¹⁰⁸In
50	¹⁰⁹Sn
51	¹¹⁰Sb
52	¹¹¹Te
53	¹¹²I
54	¹¹³Xe
55	¹¹⁴Cs
56	¹¹⁵Ba
57	¹¹⁶La