Ge
Germanium
Z 32 72.63 g/molMetalloid
| 74Ge | 42 | 73.9212 | -73,422.451 | 36.52% | Stable | 0+ | --- | 1923 |
| 72Ge | 40 | 71.9221 | -72,585.91 | 27.45% | Stable | 0+ | --- | 1923 |
| 70Ge | 38 | 69.9242 | -70,562.0 | 20.52% | Stable | 0+ | --- | 1923 |
| 73Ge | 41 | 72.9235 | -71,297.53 | 7.76% | Stable | 9/2+ | --- | 1933 |
| 76Ge | 44 | 75.9214 | -73,212.898 | 7.75% | 1.88 Zy | 0+ | β⁻(100%) | 1933 |
| 58Ge | 26 | 57.9919 | -7,580.0 | --- | --- | 0+ | p→56Zn | --- |
| 59Ge | 27 | 58.9824 | -16,370.0 | --- | 13.3 ms | (7/2-) | β⁺p→58Zn(93%) β⁺→59Ga(7%) p→57Zn(<0.2%) | 2015 |
| 60Ge | 28 | 59.9704 | -27,530.0 | --- | 21.0 ms | 0+ | β⁺p→59Zn(100%) β⁺p→58Cu(<14%) | 2005 |
| 61Ge | 29 | 60.9637 | -33,790.0 | --- | 40.7 ms | (3/2-) | β⁺p→60Zn(87%) β⁺→61Ga(13%) | 1987 |
| 62Ge | 30 | 61.9548 | -42,140.0 | --- | 82.5 ms | 0+ | β⁺→62Ga(100%) β⁺p→61Zn | 1991 |
| 63Ge | 31 | 62.9496 | -46,920.0 | --- | 153.6 ms | (3/2-) | β⁺→63Ga(100%) β⁺p→62Zn | 1991 |
| 64Ge | 32 | 63.9417 | -54,316.0 | --- | 1.06 m | 0+ | β⁺→64Ga(100%) | 1972 |
| 65Ge | 33 | 64.9394 | -56,478.2 | --- | 30.9 s | 3/2- | β⁺→65Ga(99.989%) β⁺p→64Zn(0.011%) | 1972 |
| 66Ge | 34 | 65.9339 | -61,607.0 | --- | 2.26 h | 0+ | β⁺→66Ga(100%) | 1950 |
| 67Ge | 35 | 66.9327 | -62,674.0 | --- | 18.9 m | 1/2- | β⁺→67Ga(100%) | 1950 |
| 67mGe | 35 | 66.9327 | -62,656.0 | --- | 13.7 µs | 5/2- | γ→67Ge(100%) | 1978 |
| 67nGe | 35 | 66.9335 | -61,922.0 | --- | 109.1 ns | 9/2+ | γ→67Ge(100%) | 1973 |
| 68Ge | 36 | 67.9281 | -66,978.8 | --- | 271.05 d | 0+ | EC→68Ga(100%) | 1948 |
| 69Ge | 37 | 68.928 | -67,100.7 | --- | 1.63 d | 5/2- | β⁺→69Ga(100%) | 1938 |
| 69mGe | 37 | 68.9281 | -67,013.9 | --- | 5.1 µs | 1/2- | γ→69Ge(100%) | 1978 |
| 69nGe | 37 | 68.9284 | -66,702.8 | --- | 2.81 µs | 9/2+ | γ→69Ge(100%) | 1978 |
| 71Ge | 39 | 70.925 | -69,906.7 | --- | 11.43 d | 1/2- | EC→71Ga(100%) | 1941 |
| 71mGe | 39 | 70.9252 | -69,708.3 | --- | 20.41 ms | 9/2+ | γ→71Ge(100%) | 1959 |
| 72mGe | 40 | 71.9228 | -71,894.48 | --- | 444.2 ns | 0+ | γ→72Ge(100%) | 1984 |
| 73mGe | 41 | 72.9235 | -71,284.25 | --- | 2.91 µs | 5/2+ | γ→73Ge(100%) | 1975 |
| 73nGe | 41 | 72.9235 | -71,230.8 | --- | 499.0 ms | 1/2- | γ→73Ge(100%) | 1957 |
| 75Ge | 43 | 74.9229 | -71,856.97 | --- | 1.38 h | 1/2- | β⁻→75As(100%) | 1939 |
| 75mGe | 43 | 74.923 | -71,717.28 | --- | 47.7 s | 7/2+ | γ→75Ge(~100%) β⁻→75As(0.03%) | 1952 |
| 75nGe | 43 | 74.9231 | -71,664.78 | --- | 216.0 ns | 5/2+ | γ→75Ge(100%) | 1982 |
| 77Ge | 45 | 76.9235 | -71,212.87 | --- | 11.21 h | 7/2+ | β⁻→77As(100%) | 1939 |
| 77mGe | 45 | 76.9237 | -71,053.16 | --- | 53.7 s | 1/2- | β⁻→77As(81%) γ→77Ge(19%) | 1947 |
| 78Ge | 46 | 77.9229 | -71,862.0 | --- | 1.47 h | 0+ | β⁻→78As(100%) | 1953 |
| 79Ge | 47 | 78.9254 | -69,530.0 | --- | 18.98 s | (1/2-) | β⁻→79As(100%) | 1970 |
| 79mGe | 47 | 78.9256 | -69,340.0 | --- | 39.0 s | (7/2+) | β⁻→79As(96%) γ→79Ge(4%) | 1970 |
| 80Ge | 48 | 79.9254 | -69,535.3 | --- | 29.5 s | 0+ | β⁻→80As(100%) | 1972 |
| 81Ge | 49 | 80.9288 | -66,291.7 | --- | 9.0 s | (9/2+) | β⁻→81As(100%) | 1972 |
| 81mGe | 49 | 80.9296 | -65,612.6 | --- | 6.0 s | (1/2+) | β⁻→81As(100%) γ→81Ge(<1%) | 1981 |
| 82Ge | 50 | 81.9298 | -65,415.1 | --- | 4.31 s | 0+ | β⁻→82As(100%) | 1972 |
| 83Ge | 51 | 82.9345 | -60,976.4 | --- | 1.85 s | (5/2+) | β⁻→83As(100%) β⁻n→82As | 1972 |
| 84Ge | 52 | 83.9376 | -58,148.0 | --- | 951.0 ms | 0+ | β⁻→84As(89.4%) β⁻n→83As(10.6%) | 1972 |
| 85Ge | 53 | 84.943 | -53,123.0 | --- | 495.0 ms | (3/2+) | β⁻→85As(82.8%) β⁻n→84As(17.2%) β⁻n→83As | 1991 |
| 86Ge | 54 | 85.947 | -49,400.0 | --- | 221.6 ms | 0+ | β⁻→86As(55%) β⁻n→85As(45%) | 1994 |
| 87Ge | 55 | 86.9532 | -43,590.0 | --- | 103.0 ms | (5/2+) | β⁻→87As(100%) β⁻n→86As β⁻n→85As | 1997 |
| 88Ge | 56 | 87.9576 | -39,520.0 | --- | 61.0 ms | 0+ | β⁻→88As(100%) β⁻n→87As β⁻n→86As | 1997 |
| 89Ge | 57 | 88.9645 | -33,040.0 | --- | 60.0 ms | (3/2+) | β⁻→89As β⁻n→88As β⁻n→87As | 1997 |
| 90Ge | 58 | 89.9694 | -28,470.0 | --- | 30.0 ms | 0+ | β⁻→90As β⁻n→89As β⁻n→88As | 2010 |