金（原子量：196966570 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 styletextalignright 79 styletextalignright 90 16899808 32 150 µs 12 170Au styletextalignright 79 styletextalignright 91 16999612 22 310 50 µs 286 5040 µs 2 styletextindent1em 170mAu colspan3 styletextindent2em 275 14 keV 630 60 µs 062 65 ms 9 rowspan2171Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 92 rowspan2170991879 28 rowspan230 5 µs 170Pt rowspan212 rowspan2 （不常見） 167Ir rowspan2 styletextindent1em 171mAu rowspan2 colspan3 styletextindent2em 250 16 keV rowspan21014 19 ms 54 167Ir rowspan2112 rowspan2 46 170Pt rowspan2172Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 93 rowspan217199004 17 rowspan247 11 ms 98 168Ir rowspan2high rowspan2 2 171Pt rowspan2173Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 94 rowspan2172986237 28 rowspan225 1 ms 169Ir rowspan212 rowspan2 （不常見） 173Pt rowspan2 styletextindent1em 173mAu rowspan2 colspan3 styletextindent2em 214 23 keV rowspan2140 9 ms 96 169Ir rowspan2112 rowspan2 4 173Pt rowspan2174Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 95 rowspan217398476 11 rowspan2139 3 ms 170Ir rowspan2low rowspan2 （不常見） 174Pt styletextindent1em 174mAu colspan3 styletextindent2em 360 70 keV 171 29 ms high rowspan2175Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 96 rowspan217498127 5 rowspan2100 ms 82 171Ir rowspan212 rowspan2 18 175Pt rowspan2 styletextindent1em 175mAu rowspan2 colspan3 styletextindent2em 200 30 keV rowspan2156 3 ms 171Ir rowspan2112 rowspan2 175Pt rowspan2176Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 97 rowspan217598010 11 rowspan2108 17 s 084 1714 s 60 172Ir rowspan25 rowspan2 40 176Pt styletextindent1em 176mAu colspan3 styletextindent2em 150 100 keV 860 160 ms 7 rowspan2177Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 98 rowspan2176976865 14 rowspan21462 32 s 60 177Pt rowspan21232 rowspan2 40 173Ir styletextindent1em 177mAu colspan3 styletextindent2em 216 26 keV 1180 12 s 112 rowspan2178Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 99 rowspan217797603 6 rowspan226 5 s 60 178Pt rowspan2 rowspan2 40 174Ir rowspan2179Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 100 rowspan2178973213 18 rowspan271 3 s 78 179Pt rowspan252 rowspan2 22 175Ir styletextindent1em 179mAu colspan3 styletextindent2em 99 16 keV 112 rowspan2180Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 101 rowspan2179972521 23 rowspan281 3 s 982 180Pt rowspan2 rowspan2 18 176Ir rowspan2181Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 102 rowspan2180970079 21 rowspan2137 14 s 973 181Pt rowspan232 rowspan2 27 177Ir rowspan2182Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 103 rowspan2181969618 22 rowspan2155 4 s 9987 182Pt rowspan22 rowspan2 13 178Ir rowspan2183Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 104 rowspan2182967593 11 rowspan2428 10 s 992 183Pt rowspan252 rowspan2 8 179Ir styletextindent1em 183m1Au colspan3 styletextindent2em 733 4 keV 1 µs 12 styletextindent1em 183m2Au colspan3 styletextindent2em 2306 6 keV 1 µs 112 184Au styletextalignright 79 styletextalignright 105 183967452 24 206 9 s 184Pt 5 rowspan3 styletextindent1em 184mAu rowspan3 colspan3 styletextindent2em 6846 1 keV rowspan3476 14 s 70 184Pt rowspan32 rowspan3 IT 30 184Au 013 180Ir rowspan2185Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 106 rowspan2184965789 28 rowspan2425 6 min 9974 185Pt rowspan252 rowspan2 26 181Ir styletextindent1em 185mAu colspan3 styletextindent2em 100 100 keV 68 3 min 12 rowspan2186Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 107 rowspan2185965953 23 rowspan2107 5 min 999992 186Pt rowspan23 rowspan2 8104 182Ir styletextindent1em 186mAu colspan3 styletextindent2em 22777 7 keV 110 10 ns 2 rowspan2187Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 108 rowspan2186964568 27 rowspan284 3 min 99997 187Pt rowspan212 rowspan2 003 183Ir styletextindent1em 187mAu colspan3 styletextindent2em 12051 16 keV 23 1 s IT 187Au 92 188Au styletextalignright 79 styletextalignright 109 187965324 22 884 6 min 188Pt 1 rowspan2189Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 110 rowspan2188963948 22 rowspan2287 3 min 999997 189Pt rowspan212 rowspan2 3104 185Ir rowspan2 styletextindent1em 189m1Au rowspan2 colspan3 styletextindent2em 24723 16 keV rowspan2459 11 min 189Pt rowspan2112 rowspan2 IT （不常見） 189Au styletextindent1em 189m2Au colspan3 styletextindent2em 32511 16 keV 190 15 ns 92 styletextindent1em 189m3Au colspan3 styletextindent2em 25547 12 keV 242 10 ns 312 rowspan2190Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 111 rowspan2189964700 17 rowspan2428 10 min 190Pt rowspan21 rowspan2 106 186Ir rowspan2 styletextindent1em 190mAu rowspan2 colspan3 styletextindent2em 200 150 keV rowspan2125 20 ms IT 190Au rowspan211 rowspan2 （不常見） 190Pt 191Au styletextalignright 79 styletextalignright 112 19096370 4 318 8 h 191Pt 32 styletextindent1em 191m1Au colspan3 styletextindent2em 2662 5 keV 920 110 ms IT 191Au 112 styletextindent1em 191m2Au colspan3 styletextindent2em 2490 1 keV 400 ns 192Au styletextalignright 79 styletextalignright 113 191964813 17 494 9 h 192Pt 1 styletextindent1em 192m1Au colspan3 styletextindent2em 13541 25 keV 29 ms IT 192Au 5 styletextindent1em 192m2Au colspan3 styletextindent2em 4316 5 keV 160 20 ms 11 193Au styletextalignright 79 styletextalignright 114 192964150 11 1765 15 h 193Pt 32 rowspan2 styletextindent1em 193m1Au rowspan2 colspan3 styletextindent2em 29019 3 keV rowspan239 3 s IT 9997 193Au rowspan2112 rowspan2 03 193Pt styletextindent1em 193m2Au colspan3 styletextindent2em 24865 6 keV 150 50 ns 312 194Au styletextalignright 79 styletextalignright 115 193965365 11 3802 10 h 194Pt 1 styletextindent1em 194m1Au colspan3 styletextindent2em 1074 5 keV 600 8 ms IT 194Au 5 styletextindent1em 194m2Au colspan3 styletextindent2em 4758 6 keV 420 10 ms 11 195Au styletextalignright 79 styletextalignright 116 1949650346 14 186098 47 d 195Pt 32 styletextindent1em 195mAu colspan3 styletextindent2em 31858 4 keV 305 2 s IT 195Au 112 rowspan2196Au rowspan2 styletextalignright 79 rowspan2 styletextalignright 117 rowspan2195966570 3 rowspan261669 6 d 9305 196Pt rowspan22 rowspan2 695 196Hg styletextindent1em 196m1Au colspan3 styletextindent2em 84660 20 keV 81 2 s IT 196Au 5 styletextindent1em 196m2Au colspan3 styletextindent2em 59566 4 keV 96 1 h 12 197AuPotential material for salted bombs styletextalignright 79 styletextalignright 118 1969665687 6 colspan3 aligncenter 觀測上穩定 Believed to undergo decay to 193Ir 32 10000 styletextindent1em 197mAu colspan3 styletextindent2em 40915 8 keV 773 6 s IT 197Au 112 198Au styletextalignright 79 styletextalignright 119 1979682423 6 269517 21 d 198Hg 2 styletextindent1em 198m1Au colspan3 styletextindent2em 3122200 20 keV 124 4 ns 5 styletextindent1em 198m2Au colspan3 styletextindent2em 8117 15 keV 227 2 d IT 198Au 12 199Au styletextalignright 79 styletextalignright 120 1989687652 6 3139 7 d 199Hg 32 styletextindent1em 199mAu colspan3 styletextindent2em 5489368 21 keV 440 30 µs 112 200Au styletextalignright 79 styletextalignright 121 19997073 5 484 3 min 200Hg 1 rowspan2 styletextindent1em 200mAu rowspan2 colspan3 styletextindent2em 970 70 keV rowspan2187 5 h 82 200Hg rowspan212 rowspan2 IT 18 200Au 201Au styletextalignright 79 styletextalignright 122 200971657 3 26 1 min 201Hg 32 202Au styletextalignright 79 styletextalignright 123 20197381 18 288 19 s 202Hg 1 203Au styletextalignright 79 styletextalignright 124 202975155 3 53 2 s 203Hg 32 204Au styletextalignright 79 styletextalignright 125 20397772 22 398 9 s 204Hg 2 205Au styletextalignright 79 styletextalignright 126 20497987 32 31 2 s 205Hg 32 參考文獻 Isotope masses from Ame2003 Atomic Mass Evaluation by G Audi AH Wapstra C Thibault J Blachot and O Bersillon in Nuclear Physics A729 2003 Halflife spin and isomer data selected from these sources Editing notes on this articles talk page Audi Bersillon Blachot Wapstra The Nubase2003 evaluation of nuclear and decay properties Nuc Phys A 729 pp 3128 2003 National Nuclear Data Center Brookhaven National Laboratory Information extracted from the NuDat 21 database 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 Au Category 金