溴的同位素

溴共有45个同位素，其中有2个同位素是稳定的。

**图表**
68Br
35
33
67.95836(28)#
~50 ns
p
67Se
3+#
69Br
35
34
68.95011(11)#
68Se
1/2−#
70Br
35
35
69.94479(33)#
79.1(8) ms
β+
70Se
0+#
70mBr
2292.2(8) keV
2.2(2) s
β+
70Se
(9+)
IT
70Br
71Br
35
36
70.93874(61)
21.4(6) s
β+
71Se
(5/2)−
72Br
35
37
71.93664(6)
78.6(24) s
β+
72Se
1+
72mBr
100.92(3) keV
10.6(3) s
IT (>99.9%)
72Br
1−
β+ (72Se
73Br
35
38
72.93169(5)
3.4(2) min
β+
73Se
1/2−
74Br
35
39
73.929891(16)
25.4(3) min
β+
74Se
(0−)
74mBr
13.58(21) keV
46(2) min
β+
74Se
4(+#)
75Br
35
40
74.925776(15)
96.7(13) min
β+
75Se
3/2−
76Br
35
41
75.924541(10)
16.2(2) h
β+
76Se
1−
76mBr
102.58(3) keV
1.31(2) s
IT (99.4%)
76Br
(4)+
β+ (0.6%)
76Se
77Br
35
42
76.921379(3)
57.036(6) h
β+
77Se
3/2−
77mBr
105.86(8) keV
4.28(10) min
IT
77Br
9/2+
78Br
35
43
77.921146(4)
6.46(4) min
β+ (99.99%)
78Se
1+
β- (0.01%)
78Kr
78mBr
180.82(13) keV
119.2(10) µs
(4+)
link=yes
35
44
78.9183371(22)
Stable
3/2−
0.5069(7)
79mBr
207.61(9) keV
4.86(4) s
IT
79Br
(9/2+)
80Br
35
45
79.9185293(22)
17.68(2) min
β- (91.7%)
80Kr
1+
β+ (8.3%)
80Se
80mBr
85.843(4) keV
4.4205(8) h
IT
80Br
5−
81Br
35
46
80.9162906(21)
Stable
3/2−
0.4931(7)
81mBr
536.20(9) keV
34.6(28) µs
9/2+
82Br
35
47
81.9168041(21)
35.282(7) h
β-
82Kr
5−
82mBr
45.9492(10) keV
6.13(5) min
IT
82Br
2−
β-
82Kr
83Br
35
48
82.915180(5)
2.40(2) h
β-
83Kr
3/2−
83mBr
3068.8(6) keV
700(100) ns
(19/2−)
84Br
35
49
83.916479(16)
31.80(8) min
β-
84Kr
2−
84m1Br
320(10) keV
6.0(2) min
β-
84Kr
6−
84m2Br
408.2(4) keV
85Br
35
50
84.915608(21)
2.90(6) min
β-
85Kr
3/2−
86Br
35
51
85.918798(12)
55.1(4) s
β-
86Kr
(2−)
87Br
35
52
86.920711(19)
55.65(13) s
β- (97.48%)
87Kr
3/2−
β-, n (2.52%)
86Kr
88Br
35
53
87.92407(4)
16.29(6) s
β- (93.42%)
88Kr
(2−)
β-, n (6.48%)
87Kr
88mBr
272.7(3) keV
5.4(7) µs
89Br
35
54
88.92639(6)
4.40(3) s
β- (86.2%)
89Kr
(3/2−,5/2−)
β-, n (13.8%)
88Kr
90Br
35
55
89.93063(8)
1.91(1) s
β- (74.8%)
90Kr
β-, n (25.2%)
89Kr
91Br
35
56
90.93397(8)
541(5) ms
β- (80%)
91Kr
3/2−#
β-, n (20%)
90Kr
92Br
35
57
91.93926(5)
0.343(15) s
β- (66.9%)
92Kr
(2−)
β-, n (33.1%)
91Kr
93Br
35
58
92.94305(32)#
102(10) ms
β- (89%)
93Kr
3/2−#
β-, n (11%)
92Kr
94Br
35
59
93.94868(43)#
70(20) ms
β- (70%)
94Kr
β-, n (30%)
93Kr
95Br
35
60
94.95287(54)#
50# ms >300 ns
3/2−#
96Br
35
61
95.95853(75)#
20# ms >300 ns
97Br
35
62
96.96280(86)#
10# ms >300 ns
3/2−#

98Br
35
63
(98)#



**参考文献**
 Isotope masses from  Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).- Isotopic compositions and standard atomic masses from  Atomic weights of the elements. Review 2000 (IUPAC Technical Report) date=20110324090740 . Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and  Atomic Weights Revised (2005).- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
** Audi, Bersillon, Blachot, Wapstra.  The Nubase2003 evaluation of nuclear and decay properties date=20110716114059 , Nuc. Phys. A 729, pp. 3-128 (2003).
** National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the  NuDat 2.1 database date=20180714022824  (retrieved Sept. 2005).
** David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.