Mn
Manganese
Z 25 54.938 g/molTransition Metal
| 55Mn | 30 | 54.938 | -57,712.54 | 100.0% | Stable | 5/2- | --- | 1923 |
| 43Mn | 18 | 43.0186 | 17,370.0 | --- | --- | (5/2-) | p→42Cr | --- |
| 44Mn | 19 | 44.008 | 7,460.0 | --- | --- | (2-) | p→43Cr | --- |
| 45Mn | 20 | 44.9947 | -4,980.0 | --- | --- | (5/2-) | p→44Cr | --- |
| 46Mn | 21 | 45.9867 | -12,420.0 | --- | 36.2 ms | (4+) | β⁺p→45V(57%) β⁺→46Cr(25%) β⁺p→44Ti(18%) β⁺α→42Ti | 1987 |
| 46mMn | 21 | 45.9868 | -12,270.0 | --- | 1.0 ms | (1-) | β⁺→46Cr | --- |
| 47Mn | 22 | 46.9758 | -22,570.0 | --- | 88.0 ms | (5/2-) | β⁺→47Cr(100%) β⁺p→46V(<1.7%) | 1987 |
| 48Mn | 23 | 47.9685 | -29,297.0 | --- | 158.1 ms | 4+ | β⁺→48Cr(99.719%) β⁺p→47V(0.28%) β⁺α→44Ti(0.001%) | 1987 |
| 49Mn | 24 | 48.9596 | -37,619.9 | --- | 382.0 ms | 5/2- | β⁺→49Cr(100%) | 1970 |
| 50Mn | 25 | 49.9542 | -42,626.89 | --- | 283.21 ms | 0+ | β⁺→50Cr(100%) | 1952 |
| 50mMn | 25 | 49.9545 | -42,401.57 | --- | 1.75 m | 5+ | β⁺→50Cr(100%) | 1962 |
| 51Mn | 26 | 50.9482 | -48,243.2 | --- | 45.81 m | 5/2- | β⁺→51Cr(100%) | 1938 |
| 52Mn | 27 | 51.9456 | -50,711.39 | --- | 5.59 d | 6+ | β⁺→52Cr(100%) | 1938 |
| 52mMn | 27 | 51.946 | -50,333.64 | --- | 21.1 m | 2+ | β⁺→52Cr(98.22%) γ→52Mn(1.78%) | 1937 |
| 53Mn | 28 | 52.9413 | -54,690.3 | --- | 3.7 My | 7/2- | EC→53Cr(100%) | 1955 |
| 54Mn | 29 | 53.9404 | -55,558.2 | --- | 312.08 d | 3+ | EC→54Cr(~100%) β⁻→54Fe(9.3e-5%) β⁺(1.28e-7%) | 1938 |
| 56Mn | 31 | 55.9389 | -56,911.67 | --- | 2.58 h | 3+ | β⁻→56Fe(100%) | 1934 |
| 57Mn | 32 | 56.9383 | -57,486.3 | --- | 1.42 m | 5/2- | β⁻→57Fe(100%) | 1954 |
| 58Mn | 33 | 57.9401 | -55,827.6 | --- | 3.0 s | 1+ | β⁻→58Fe(100%) | 1961 |
| 58mMn | 33 | 57.9401 | -55,755.8 | --- | 1.09 m | 4+ | β⁻→58Fe(100%) γ→58Mn | 1961 |
| 59Mn | 34 | 58.9404 | -55,525.3 | --- | 4.59 s | 5/2- | β⁻→59Fe(100%) | 1976 |
| 60Mn | 35 | 59.9431 | -52,967.9 | --- | 280.0 ms | 1+ | β⁻→60Fe(100%) | 1978 |
| 60mMn | 35 | 59.9434 | -52,696.0 | --- | 1.77 s | 4+ | β⁻→60Fe(88.5%) γ→60Mn(11.5%) | 1978 |
| 61Mn | 36 | 60.9445 | -51,742.1 | --- | 709.0 ms | 5/2- | β⁻→61Fe(100%) β⁻n→60Fe | 1980 |
| 62Mn | 37 | 61.9479 | -48,524.0 | --- | 92.0 ms | 1+ | β⁻→62Fe(100%) β⁻n→61Fe | 1983 |
| 62mMn | 37 | 61.9483 | -48,181.0 | --- | 671.0 ms | 4+ | β⁻→62Fe(100%) β⁻n→61Fe γ→62Mn | 1983 |
| 63Mn | 38 | 62.9497 | -46,887.0 | --- | 275.0 ms | 5/2- | β⁻→63Fe(100%) β⁻n→62Fe | 1985 |
| 64Mn | 39 | 63.9538 | -42,989.0 | --- | 88.8 ms | 1+ | β⁻→64Fe(97.3%) β⁻n→63Fe(2.7%) | 1985 |
| 64mMn | 39 | 63.954 | -42,815.0 | --- | 439.0 µs | (4+) | γ→64Mn(100%) | 1998 |
| 65Mn | 40 | 64.956 | -40,967.0 | --- | 91.9 ms | (5/2-) | β⁻→65Fe(92.1%) β⁻n→64Fe(7.9%) | 1985 |
| 66Mn | 41 | 65.9605 | -36,750.0 | --- | 63.8 ms | (1+) | β⁻→66Fe(92.6%) β⁻n→65Fe(7.4%) β⁻n→64Fe | 1992 |
| 66mMn | 41 | 65.961 | -36,286.0 | --- | 780.0 µs | (5-) | γ→66Mn(100%) β⁻→66Fe | 2005 |
| 67Mn | 42 | 66.964 | -33,580.0 | --- | 46.7 ms | (5/2-) | β⁻→67Fe(90%) β⁻n→66Fe(10%) β⁻n→65Fe | 1997 |
| 68Mn | 43 | 67.969 | -28,920.0 | --- | 33.7 ms | (3) | β⁻→68Fe(82%) β⁻n→67Fe(18%) β⁻n→66Fe | 1995 |
| 69Mn | 44 | 68.9728 | -25,360.0 | --- | 22.1 ms | (5/2-) | β⁻→69Fe(60%) β⁻n→68Fe(40%) β⁻n→67Fe | 1995 |
| 70Mn | 45 | 69.978 | -20,450.0 | --- | 19.9 ms | (4) | β⁻→70Fe(100%) β⁻n→69Fe β⁻n→68Fe | 2009 |
| 71Mn | 46 | 70.9822 | -16,620.0 | --- | 16.0 ms | (5/2-) | β⁻→71Fe β⁻n→70Fe β⁻n→69Fe | 2010 |
| 72Mn | 47 | 71.988 | -11,170.0 | --- | 12.0 ms | --- | β⁻→72Fe β⁻n→71Fe β⁻n→70Fe | 2013 |
| 73Mn | 48 | 72.9928 | -6,700.0 | --- | 12.0 ms | (5/2-) | β⁻→73Fe | 2017 |