Au
Gold
Z 79 196.967 g/molTransition Metal
| 197Au | 118 | 196.9666 | -31,139.8 | 100.0% | Stable | 3/2+ | --- | 1935 |
| 168Au | 89 | 168.0027 | 2,530.0 | --- | --- | --- | p→167Pt | --- |
| 169Au | 90 | 168.9981 | -1,790.0 | --- | 150.0 µs | (1/2+) | p→168Pt α→165Ir β⁺→169Pt | --- |
| 170Au | 91 | 169.996 | -3,700.0 | --- | 290.0 µs | (2-) | p→169Pt(89%) α→166Ir(11%) | 2002 |
| 170mAu | 91 | 169.9963 | -3,420.0 | --- | 620.0 µs | (9+) | p→169Pt(58%) α→166Ir(42%) | 2002 |
| 171Au | 92 | 170.9919 | -7,562.0 | --- | 22.3 µs | 1/2+ | p→170Pt(100%) α→167Ir | 1997 |
| 171mAu | 92 | 170.9922 | -7,308.0 | --- | 1.04 ms | 11/2- | α→167Ir(60%) p→170Pt(40%) | 1996 |
| 172Au | 93 | 171.99 | -9,320.0 | --- | 28.0 ms | (2-) | α→168Ir(100%) p→171Pt β⁺→172Pt | 1993 |
| 172mAu | 93 | 171.9902 | -9,160.0 | --- | 11.0 ms | (9+) | α→168Ir(100%) p→171Pt | 1993 |
| 173Au | 94 | 172.9862 | -12,832.0 | --- | 25.5 ms | (1/2+) | α→169Ir(86%) β⁺→173Pt | 1983 |
| 173mAu | 94 | 172.9865 | -12,618.0 | --- | 12.2 ms | (11/2-) | α→169Ir(89%) β⁺→173Pt | 1984 |
| 174Au | 95 | 173.9849 | -14,060.0 | --- | 139.0 ms | (3-) | α→170Ir(90%) β⁺→174Pt | 1983 |
| 174mAu | 95 | 173.985 | -13,930.0 | --- | 162.0 ms | (9+) | α→170Ir β⁺→174Pt | 1995 |
| 175Au | 96 | 174.9813 | -17,400.0 | --- | 200.0 ms | 1/2+ | α→171Ir(88%) β⁺→175Pt | 1975 |
| 175mAu | 96 | 174.9815 | -17,240.0 | --- | 136.0 ms | (11/2-) | α→171Ir(75%) β⁺→175Pt | 1975 |
| 176Au | 97 | 175.9801 | -18,520.0 | --- | 1.05 s | (3-) | α→172Ir(75%) β⁺→176Pt | 1975 |
| 176mAu | 97 | 175.9803 | -18,380.0 | --- | 1.36 s | (8+) | α→172Ir β⁺→176Pt | 2002 |
| 177Au | 98 | 176.9769 | -21,546.0 | --- | 1.5 s | 1/2+ | β⁺→177Pt(60%) α→173Ir(40%) | 1968 |
| 177mAu | 98 | 176.9771 | -21,356.0 | --- | 1.19 s | 11/2- | α→173Ir(60%) β⁺→177Pt | 1975 |
| 178Au | 99 | 177.9761 | -22,303.0 | --- | 3.4 s | (2-) | β⁺→178Pt(84%) α→174Ir(16%) | 1968 |
| 178mAu | 99 | 177.9761 | -22,253.0 | --- | 300.0 ns | (4+) | γ→178Au(100%) | 2019 |
| 178nAu | 99 | 177.9763 | -22,117.0 | --- | 2.7 s | (7-) | β⁺→178Pt(82%) α→174Ir(18%) | 2015 |
| 179Au | 100 | 178.9732 | -24,989.0 | --- | 7.1 s | 1/2+ | β⁺→179Pt(78%) α→175Ir(22%) | 1968 |
| 179mAu | 100 | 178.9733 | -24,900.0 | --- | 327.0 ns | (3/2-) | γ→179Au(100%) | 2011 |
| 180Au | 101 | 179.9725 | -25,626.0 | --- | 7.9 s | (1+) | β⁺→180Pt(99.42%) α→176Ir(0.58%) | 1977 |
| 181Au | 102 | 180.9701 | -27,871.0 | --- | 13.7 s | (5/2-) | β⁺→181Pt(97.3%) α→177Ir(2.7%) | 1968 |
| 182Au | 103 | 181.9696 | -28,304.0 | --- | 15.5 s | (2+) | β⁺→182Pt(~100%) α→178Ir(0.13%) | 1970 |
| 182mAu | 103 | 181.9697 | -28,180.0 | --- | 10.0 s | (5-) | β⁺→182Pt γ→182Au | --- |
| 183Au | 104 | 182.9676 | -30,191.0 | --- | 42.8 s | 5/2- | β⁺→183Pt(99.45%) α→179Ir(0.55%) | 1968 |
| 183mAu | 104 | 182.9677 | -30,118.0 | --- | --- | (1/2+) | γ→183Au(100%) | 1984 |
| 184Au | 105 | 183.9675 | -30,319.0 | --- | 20.6 s | 5+ | β⁺→184Pt(~100%) α→180Ir(0.013%) | 1969 |
| 184mAu | 105 | 183.9675 | -30,251.0 | --- | 47.6 s | 2+ | γ→184Au(30%) α→180Ir(0.013%) β⁺→184Pt | 1969 |
| 185Au | 106 | 184.9658 | -31,858.1 | --- | 4.25 m | 5/2- | β⁺→185Pt(99.74%) α→181Ir(0.26%) | 1960 |
| 185mAu | 106 | 184.9659 | -31,810.0 | --- | 6.8 m | (1/2+) | β⁺→185Pt(100%) γ→185Au | 1960 |
| 186Au | 107 | 185.966 | -31,715.0 | --- | 10.7 m | 3- | β⁺→186Pt(~100%) α→182Ir(0.001%) | 1960 |
| 186mAu | 107 | 185.966 | -31,670.0 | --- | --- | (6-) | γ→186Au β⁺→186Pt | --- |
| 186nAu | 107 | 185.9662 | -31,487.0 | --- | 110.0 ns | 2+ | γ→186Au(100%) | 1983 |
| 187Au | 108 | 186.9645 | -33,029.0 | --- | 8.3 m | 1/2+ | β⁺→187Pt(100%) α→183Ir | 1955 |
| 187mAu | 108 | 186.9647 | -32,909.0 | --- | 2.3 s | 9/2- | γ→187Au(100%) | 1983 |
| 188Au | 109 | 187.9652 | -32,371.3 | --- | 8.84 m | 1- | β⁺→188Pt(100%) | 1955 |
| 189Au | 110 | 188.9639 | -33,582.0 | --- | 28.7 m | 1/2+ | β⁺→189Pt(~100%) α→185Ir(<3e-5%) | 1955 |
| 189mAu | 110 | 188.9642 | -33,335.0 | --- | 4.59 m | 11/2- | β⁺→189Pt(100%) γ→189Au | 1966 |
| 189nAu | 110 | 188.9643 | -33,257.0 | --- | 190.0 ns | 9/2- | γ→189Au(100%) | 1975 |
| 190Au | 111 | 189.9648 | -32,834.0 | --- | 42.8 m | 1- | β⁺→190Pt(~100%) α→186Ir(<1e-6%) | 1959 |
| 190mAu | 111 | 189.965 | -32,630.0 | --- | 125.0 ms | (11-) | γ→190Au(100%) β⁺→190Pt | 1982 |
| 191Au | 112 | 190.9637 | -33,798.0 | --- | 3.18 h | 3/2+ | β⁺→191Pt(100%) | 1954 |
| 191mAu | 112 | 190.964 | -33,532.0 | --- | 920.0 ms | 11/2- | γ→191Au(100%) | 1971 |
| 191nAu | 112 | 190.9664 | -31,308.0 | --- | 402.0 ns | 31/2+ | γ→191Au(100%) | 1985 |
| 192Au | 113 | 191.9648 | -32,772.0 | --- | 4.94 h | 1- | β⁺→192Pt(100%) | 1948 |
| 192mAu | 113 | 191.965 | -32,637.0 | --- | 29.0 ms | 5+ | γ→192Au(100%) | 1976 |
| 192nAu | 113 | 191.9653 | -32,340.0 | --- | 160.0 ms | 11- | γ→192Au(100%) | 1976 |
| 193Au | 114 | 192.9641 | -33,405.0 | --- | 17.65 h | 3/2+ | β⁺→193Pt(100%) α→189Ir | 1948 |
| 193mAu | 114 | 192.9644 | -33,115.0 | --- | 3.9 s | 11/2- | γ→193Au(~100%) β⁺→193Pt(0.03%) | 1955 |
| 193nAu | 114 | 192.9668 | -30,918.0 | --- | 150.0 ns | 31/2+ | γ→193Au(100%) | 1985 |
| 194Au | 115 | 193.9654 | -32,211.9 | --- | 1.58 d | 1- | β⁺→194Pt(100%) | 1948 |
| 194mAu | 115 | 193.9655 | -32,104.5 | --- | 600.0 ms | 5+ | γ→194Au(100%) | 1975 |
| 194nAu | 115 | 193.9659 | -31,736.1 | --- | 420.0 ms | 11- | γ→194Au(100%) | 1953 |
| 195Au | 116 | 194.965 | -32,567.1 | --- | 186.01 d | 3/2+ | EC→195Pt(100%) | 1948 |
| 195mAu | 116 | 194.9654 | -32,248.5 | --- | 30.5 s | 11/2- | γ→195Au(100%) | 1952 |
| 195nAu | 116 | 194.9677 | -30,066.0 | --- | 12.89 µs | (31/2-) | γ→195Au(100%) | 2013 |
| 196Au | 117 | 195.9666 | -31,138.7 | --- | 6.17 d | 2- | β⁺→196Pt(93%) β⁻→196Hg(7%) | 1937 |
| 196mAu | 117 | 195.9667 | -31,054.0 | --- | 8.1 s | 5+ | γ→196Au(100%) | 1971 |
| 196nAu | 117 | 195.9672 | -30,543.0 | --- | 9.6 h | 12- | γ→196Au(100%) | 1960 |
| 197mAu | 118 | 196.967 | -30,730.7 | --- | 7.73 s | 11/2- | γ→197Au(100%) | 1945 |
| 197nAu | 118 | 196.9693 | -28,607.3 | --- | 150.0 ns | (27/2+) | γ→197Au(100%) | 2006 |
| 198Au | 119 | 197.9682 | -29,580.8 | --- | 2.69 d | 2- | β⁻→198Hg(100%) | 1937 |
| 198mAu | 119 | 197.9686 | -29,268.6 | --- | 124.0 ns | 5+ | γ→198Au(100%) | 1968 |
| 198nAu | 119 | 197.9691 | -28,768.9 | --- | 2.27 d | 12- | γ→198Au(100%) | 1972 |
| 199Au | 120 | 198.9688 | -29,093.8 | --- | 3.14 d | 3/2+ | β⁻→199Hg(100%) | 1937 |
| 199mAu | 120 | 198.9694 | -28,544.9 | --- | 440.0 µs | 11/2- | γ→199Au(100%) | 1968 |
| 200Au | 121 | 199.9708 | -27,240.0 | --- | 48.4 m | (1-) | β⁻→200Hg(100%) | 1951 |
| 200mAu | 121 | 199.9718 | -26,233.0 | --- | 18.7 h | 12- | β⁻→200Hg(84%) γ→200Au(16%) | 1968 |
| 201Au | 122 | 200.9717 | -26,401.0 | --- | 26.0 m | 3/2+ | β⁻→201Hg(100%) | 1952 |
| 201mAu | 122 | 200.9723 | -25,807.0 | --- | 730.0 µs | 11/2- | γ→201Au(100%) | 1981 |
| 201nAu | 122 | 200.9734 | -24,791.0 | --- | 5.6 µs | (19/2+) | γ→201Au(100%) | 2011 |
| 202Au | 123 | 201.9739 | -24,353.0 | --- | 28.4 s | (1-) | β⁻→202Hg(100%) | 1967 |
| 203Au | 124 | 202.9752 | -23,143.0 | --- | 1.0 m | 3/2+ | β⁻→203Hg(100%) | 1952 |
| 203mAu | 124 | 202.9758 | -22,502.0 | --- | 140.0 µs | (11/2-) | γ→203Au(100%) | 2005 |
| 204Au | 125 | 203.9781 | -20,390.0 | --- | 38.3 s | (2-) | β⁻→204Hg(100%) | 1972 |
| 204mAu | 125 | 203.9822 | -16,570.0 | --- | 2.1 µs | (16+) | γ→204Au(100%) | 2008 |
| 205Au | 126 | 204.9801 | -18,570.0 | --- | 32.0 s | (3/2+) | β⁻→205Hg(100%) | 1994 |
| 205mAu | 126 | 204.981 | -17,660.0 | --- | 6.0 s | (11/2-) | γ→205Au β⁻→205Hg | 2009 |
| 205nAu | 126 | 204.9831 | -15,720.0 | --- | 163.0 ns | (19/2+) | γ→205Au(100%) | 2011 |
| 206Au | 127 | 205.9848 | -14,190.0 | --- | 47.0 s | (6+) | β⁻→206Hg(100%) | 2009 |
| 207Au | 128 | 206.9886 | -10,640.0 | --- | 3.0 s | (3/2+) | β⁻→207Hg β⁻n→206Hg | 2010 |
| 208Au | 129 | 207.9937 | -5,910.0 | --- | 20.0 s | (6+) | β⁻→208Hg β⁻n→207Hg | 2010 |
| 209Au | 130 | 208.9976 | -2,230.0 | --- | 1.0 s | (3/2+) | β⁻→209Hg β⁻n→208Hg | 2010 |
| 210Au | 131 | 210.0029 | 2,680.0 | --- | 10.0 s | (6+) | β⁻→210Hg β⁻n→209Hg | 2010 |