Cu
Copper
Z 29 63.546 g/molTransition Metal
| 63Cu | 34 | 62.9296 | -65,579.9 | 69.15% | Stable | 3/2- | --- | 1923 |
| 65Cu | 36 | 64.9278 | -67,263.7 | 30.85% | Stable | 3/2- | --- | 1923 |
| 52Cu | 23 | 51.998 | -1,880.0 | --- | --- | (3+) | p→51Ni | --- |
| 53Cu | 24 | 52.9859 | -13,140.0 | --- | --- | (3/2-) | p→52Ni | --- |
| 54Cu | 25 | 53.9772 | -21,240.0 | --- | --- | (3+) | p→53Ni | --- |
| 55Cu | 26 | 54.966 | -31,640.0 | --- | 55.9 ms | (3/2-) | β⁺→55Ni(100%) β⁺p→54Co | 1987 |
| 56Cu | 27 | 55.9585 | -38,630.0 | --- | 80.8 ms | (4+) | β⁺→56Ni(99.6%) β⁺p→55Co(0.4%) | 1987 |
| 57Cu | 28 | 56.9492 | -47,309.0 | --- | 196.4 ms | 3/2- | β⁺→57Ni(100%) | 1976 |
| 58Cu | 29 | 57.9445 | -51,667.9 | --- | 3.2 s | 1+ | β⁺→58Ni(100%) | 1952 |
| 59Cu | 30 | 58.9395 | -56,358.5 | --- | 1.36 m | 3/2- | β⁺→59Ni(100%) | 1947 |
| 60Cu | 31 | 59.9374 | -58,345.3 | --- | 23.7 m | 2+ | β⁺→60Ni(100%) | 1947 |
| 61Cu | 32 | 60.9335 | -61,984.1 | --- | 3.34 h | 3/2- | β⁺→61Ni(100%) | 1937 |
| 62Cu | 33 | 61.9326 | -62,787.5 | --- | 9.67 m | 1+ | β⁺→62Ni(100%) | 1936 |
| 64Cu | 35 | 63.9298 | -65,424.4 | --- | 12.7 h | 1+ | β⁺→64Ni(61.52%) β⁻→64Zn(38.48%) | 1936 |
| 66Cu | 37 | 65.9289 | -66,258.3 | --- | 5.12 m | 1+ | β⁻→66Zn(100%) | 1937 |
| 66mCu | 37 | 65.9301 | -65,104.1 | --- | 600.0 ns | (6-) | γ→66Cu(100%) | 1972 |
| 67Cu | 38 | 66.9277 | -67,319.6 | --- | 2.58 d | 3/2- | β⁻→67Zn(100%) | 1948 |
| 68Cu | 39 | 67.9296 | -65,567.0 | --- | 30.9 s | 1+ | β⁻→68Zn(100%) | 1953 |
| 68mCu | 39 | 67.9304 | -64,845.7 | --- | 3.75 m | 6- | γ→68Cu(86%) β⁻→68Zn(14%) | 1969 |
| 69Cu | 40 | 68.9294 | -65,736.2 | --- | 2.85 m | 3/2- | β⁻→69Zn(100%) | 1966 |
| 69mCu | 40 | 68.9324 | -62,994.2 | --- | 357.0 ns | (13/2+) | γ→69Cu(100%) | 1997 |
| 70Cu | 41 | 69.9324 | -62,976.4 | --- | 44.5 s | 6- | β⁻→70Zn(100%) | 1971 |
| 70mCu | 41 | 69.9325 | -62,875.3 | --- | 33.0 s | 3- | β⁻→70Zn(52%) γ→70Cu(48%) | 2002 |
| 70nCu | 41 | 69.9327 | -62,733.8 | --- | 6.6 s | 1+ | β⁻→70Zn(93.2%) γ→70Cu(6.8%) | 1971 |
| 71Cu | 42 | 70.9327 | -62,711.1 | --- | 19.4 s | 3/2- | β⁻→71Zn(100%) | 1983 |
| 71mCu | 42 | 70.9356 | -59,955.4 | --- | 271.0 ns | (19/2-) | γ→71Cu(100%) | 1998 |
| 72Cu | 43 | 71.9358 | -59,783.0 | --- | 6.63 s | 2- | β⁻→72Zn(100%) | 1983 |
| 72mCu | 43 | 71.9361 | -59,512.7 | --- | 1.76 µs | (6-) | γ→72Cu(100%) | 1998 |
| 73Cu | 44 | 72.9367 | -58,987.4 | --- | 4.2 s | 3/2- | β⁻→73Zn(99.971%) β⁻n→72Zn(0.029%) | 1983 |
| 74Cu | 45 | 73.9399 | -56,006.0 | --- | 1.61 s | 2- | β⁻→74Zn(99.925%) β⁻n→73Zn(0.075%) | 1987 |
| 75Cu | 46 | 74.9415 | -54,470.2 | --- | 1.22 s | 5/2- | β⁻→75Zn(97.3%) β⁻n→74Zn(2.7%) | 1985 |
| 75mCu | 46 | 74.9416 | -54,408.5 | --- | 310.0 ns | 1/2- | γ→75Cu(100%) | 2010 |
| 75nCu | 46 | 74.9416 | -54,404.0 | --- | 149.0 ns | 3/2- | γ→75Cu(100%) | 2010 |
| 76Cu | 47 | 75.9453 | -50,981.6 | --- | 637.7 ms | 3- | β⁻→76Zn(92.8%) β⁻n→75Zn(7.2%) | 1987 |
| 76mCu | 47 | 76.0 | 0.0 | --- | 1.27 s | (1) | β⁻→76Zn(100%) | 1990 |
| 77Cu | 48 | 76.9475 | -48,862.8 | --- | 470.3 ms | 5/2- | β⁻→77Zn(69.9%) β⁻n→76Zn(30.1%) | 1987 |
| 78Cu | 49 | 77.9519 | -44,789.0 | --- | 330.7 ms | (6-) | β⁻n→77Zn(50.6%) β⁻→78Zn(49.4%) β⁻n→76Zn | 1991 |
| 79Cu | 50 | 78.9545 | -42,410.0 | --- | 241.3 ms | (5/2-) | β⁻n→78Zn(66%) β⁻→79Zn(34%) β⁻n→77Zn | 1991 |
| 80Cu | 51 | 79.9606 | -36,680.0 | --- | 113.3 ms | --- | β⁻n→79Zn(58%) β⁻→80Zn(42%) β⁻n→78Zn | 1995 |
| 81Cu | 52 | 80.9657 | -31,910.0 | --- | 73.2 ms | (5/2-) | β⁻n→80Zn(81%) β⁻→81Zn(19%) β⁻n→79Zn | 2010 |
| 82Cu | 53 | 81.9724 | -25,730.0 | --- | 34.0 ms | --- | β⁻→82Zn(100%) β⁻n→81Zn β⁻n→80Zn | 2010 |
| 83Cu | 54 | 82.9781 | -20,390.0 | --- | 21.0 ms | (5/2-) | β⁻→83Zn β⁻n→82Zn β⁻n→81Zn | 2017 |
| 84Cu | 55 | 83.9853 | -13,720.0 | --- | --- | --- | β⁻→84Zn β⁻n→83Zn | --- |