金的同位素

金（原子量：196.966570(4)）有1種穩定同位素（197Au）及36種放射性同位素。
金-197是觀測上穩定的同位素，即理論上具有放射性，但實驗中未有觀察到。現時，金被認定是最重的單一同位素元素。

**圖表**
169Au
79
90
168.99808(32)#
150# µs
1/2+#
170Au
79
91
169.99612(22)#
310(50) µs286(+50−40) µs
(2−)
170mAu
275(14) keV
630(60) µs0.62(+6−5) ms
(9+)
171Au
79
92
170.991879(28)
30(5) µs
p
170Pt
(1/2+)
α （不常見）
167Ir
171mAu
250(16) keV
1.014(19) ms
α (54%)
167Ir
11/2−
p (46%)
170Pt
172Au
79
93
171.99004(17)#
4.7(11) ms
α (98%)
168Ir
high
p (2%)
171Pt
173Au
79
94
172.986237(28)
25(1) ms
α
169Ir
(1/2+)
β+ （不常見）
173Pt
173mAu
214(23) keV
14.0(9) ms
α (96%)
169Ir
(11/2−)
β+ (4%)
173Pt
174Au
79
95
173.98476(11)#
139(3) ms
α
170Ir
low
β+ （不常見）
174Pt
174mAu
360(70)# keV
171(29) ms
high
175Au
79
96
174.98127(5)
100# ms
α (82%)
171Ir
1/2+#
β+ (18%)
175Pt
175mAu
200(30)# keV
156(3) ms
α
171Ir
11/2−#
β+
175Pt
176Au
79
97
175.98010(11)#
1.08(17) s0.84(+17−14) s
α (60%)
172Ir
(5−)
β+ (40%)
176Pt
176mAu
150(100)# keV
860(160) ms
(7+)
177Au
79
98
176.976865(14)
1.462(32) s
β+ (60%)
177Pt
(1/2+,3/2+)
α (40%)
173Ir
177mAu
216(26) keV
1.180(12) s
11/2−
178Au
79
99
177.97603(6)
2.6(5) s
β+ (60%)
178Pt
α (40%)
174Ir
179Au
79
100
178.973213(18)
7.1(3) s
β+ (78%)
179Pt
5/2−#
α (22%)
175Ir
179mAu
99(16) keV
(11/2−)
180Au
79
101
179.972521(23)
8.1(3) s
β+ (98.2%)
180Pt
α (1.8%)
176Ir
181Au
79
102
180.970079(21)
13.7(14) s
β+ (97.3%)
181Pt
(3/2−)
α (2.7%)
177Ir
182Au
79
103
181.969618(22)
15.5(4) s
β+ (99.87%)
182Pt
(2+)
α (.13%)
178Ir
183Au
79
104
182.967593(11)
42.8(10) s
β+ (99.2%)
183Pt
(5/2)−
α (.8%)
179Ir
183m1Au
73.3(4) keV
>1 µs
(1/2)+
183m2Au
230.6(6) keV
184Au
79
105
183.967452(24)
20.6(9) s
β+
184Pt
5+
184mAu
68.46(1) keV
47.6(14) s
β+ (70%)
184Pt
2+
IT (30%)
184Au
α (.013%)
180Ir
185Au
79
106
184.965789(28)
4.25(6) min
β+ (99.74%)
185Pt
5/2−
α (.26%)
181Ir
185mAu
100(100)# keV
6.8(3) min
1/2+#
186Au
79
107
185.965953(23)
10.7(5) min
β+ (99.9992%)
186Pt
3−
α (8×10−4%)
182Ir
186mAu
227.77(7) keV
110(10) ns
2+
187Au
79
108
186.964568(27)
8.4(3) min
β+ (99.997%)
187Pt
1/2+
α (.003%)
183Ir
187mAu
120.51(16) keV
2.3(1) s
IT
187Au
9/2−
188Au
79
109
187.965324(22)
8.84(6) min
β+
188Pt
1(−)
189Au
79
110
188.963948(22)
28.7(3) min
β+ (99.9997%)
189Pt
1/2+
α (3×10−4%)
185Ir
189m1Au
247.23(16) keV
4.59(11) min
β+
189Pt
11/2−
IT （不常見）
189Au
189m2Au
325.11(16) keV
190(15) ns
9/2−
189m3Au
2554.7(12) keV
242(10) ns
31/2+
190Au
79
111
189.964700(17)
42.8(10) min
β+
190Pt
1−
α (10−6%)
186Ir
190mAu
200(150)# keV
125(20) ms
IT
190Au
11−#
β+ （不常見）
190Pt
191Au
79
112
190.96370(4)
3.18(8) h
β+
191Pt
3/2+
191m1Au
266.2(5) keV
920(110) ms
IT
191Au
(11/2−)
191m2Au
2490(1) keV
>400 ns
192Au
79
113
191.964813(17)
4.94(9) h
β+
192Pt
1−
192m1Au
135.41(25) keV
29 ms
IT
192Au
(5#)+
192m2Au
431.6(5) keV
160(20) ms
(11−)
193Au
79
114
192.964150(11)
17.65(15) h
β+
193Pt
3/2+

193m1Au
290.19(3) keV
3.9(3) s
IT (99.97%)
193Au
11/2−
β+ (.03%)
193Pt
193m2Au
2486.5(6) keV
150(50) ns
(31/2+)
194Au
79
115
193.965365(11)
38.02(10) h
β+
194Pt
1−
194m1Au
107.4(5) keV
600(8) ms
IT
194Au
(5+)
194m2Au
475.8(6) keV
420(10) ms
(11−)
195Au
79
116
194.9650346(14)
186.098(47) d
EC
195Pt
3/2+
195mAu
318.58(4) keV
30.5(2) s
IT
195Au
11/2−
196Au
79
117
195.966570(3)
6.1669(6) d
β+ (93.05%)
196Pt
2−
β- (6.95%)
196Hg
196m1Au
84.660(20) keV
8.1(2) s
IT
196Au
5+
196m2Au
595.66(4) keV
9.6(1) h
12−
197Au
79
118
196.9665687(6)
觀測上穩定
3/2+
1.0000
197mAu
409.15(8) keV
7.73(6) s
IT
197Au
11/2−
198Au
79
119
197.9682423(6)
2.69517(21) d
β-
198Hg
2−
198m1Au
312.2200(20) keV
124(4) ns
5+
198m2Au
811.7(15) keV
2.27(2) d
IT
198Au
(12−)
199Au
79
120
198.9687652(6)
3.139(7) d
β-
199Hg
3/2+
199mAu
548.9368(21) keV
440(30) µs
(11/2)−
200Au
79
121
199.97073(5)
48.4(3) min
β-
200Hg
1(−)
200mAu
970(70) keV
18.7(5) h
β- (82%)
200Hg
12−
IT (18%)
200Au
201Au
79
122
200.971657(3)
26(1) min
β-
201Hg
3/2+
202Au
79
123
201.97381(18)
28.8(19) s
β-
202Hg
(1−)
203Au
79
124
202.975155(3)
53(2) s
β-
203Hg
3/2+
204Au
79
125
203.97772(22)#
39.8(9) s
β-
204Hg
(2−)
205Au
79
126
204.97987(32)#
31(2) s
β-
205Hg
3/2+

**參考文獻**
 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).- 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=20190513230730  (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.