Isotopes of Arsenic (Z=33)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
60As
61As
62As
63As
64As
65As 0.19 s %EC+%B+=100
66As 95.77 ms %EC+%B+=100
67As 42.5 s(5/2-) %EC+%B+=100
68As 151.6 s3+ %EC+%B+=100
69As 15.2 m5/2- %EC+%B+=100
70As 52.6 m4(+) %EC+%B+=100
71As 65.28 h5/2- %EC+%B+=100
72As 26.0 h2- %EC+%B+=100
73As 80.30 d3/2- %EC=100
74As 17.77 d 2- %B-=34 2, %EC+%B+=66 2
75As stable3/2- %Abundance=100
75m1As 16.79 ms 9/2+ %IT=100
76As 1.0778 d 2- %B-=100
77As 38.83 h 3/2- %B-=100
78As 90.7 m 2- %B-=100
79As 9.01 m 3/2- %B-=100
80As 15.2 s 1+ %B-=100
81As 33.3 s3/2- %B-=100
82As 19.1 s(1+) %B-=100
82m1As 13.6 s(5-) %B-=100
83As 13.4 s (5/2-,3/2-) %B-=100
84As 4.5 s(3-) %B-=100, %B-N=0.28 4
85As 2.021 s(3/2-) %B-=100, %B-N=59.4 24
86As 0.945 s %B-=100, %B-N=33 4
87As 0.48 s(3/2-) %B-=100, %B-N=15.4 22
88As
89As
90As %B-=?
91As (3/2-) %B-=?
92As %B-=?
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory
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