Zr
Zirconium
Z 40 91.222 g/molTransition Metal
| 90Zr | 50 | 89.9047 | -88,772.55 | 51.45% | Stable | 0+ | --- | 1924 |
| 94Zr | 54 | 93.9063 | -87,269.33 | 17.38% | Stable | 0+ | β⁻ | 1924 |
| 92Zr | 52 | 91.905 | -88,459.02 | 17.15% | Stable | 0+ | --- | 1924 |
| 91Zr | 51 | 90.9056 | -87,895.59 | 11.22% | Stable | 5/2+ | --- | 1934 |
| 96Zr | 56 | 95.9083 | -85,438.86 | 2.8% | 23.4 Ey | 0+ | β⁻(100%) | 1934 |
| 77Zr | 37 | 76.9661 | -31,600.0 | --- | 100.0 µs | (3/2-) | β⁺→77Y β⁺p→76Sr p→76Y | 2017 |
| 78Zr | 38 | 77.9561 | -40,850.0 | --- | 50.0 ms | 0+ | β⁺→78Y β⁺p→77Sr | 2001 |
| 79Zr | 39 | 78.9498 | -46,770.0 | --- | 56.0 ms | (5/2+) | β⁺→79Y(100%) β⁺p→78Sr | 1999 |
| 80Zr | 40 | 79.9412 | -54,760.0 | --- | 4.6 s | 0+ | β⁺→80Y(100%) | 1987 |
| 81Zr | 41 | 80.9382 | -57,520.0 | --- | 5.5 s | (3/2-) | β⁺→81Y(99.88%) β⁺p→80Sr(0.12%) | 1997 |
| 82Zr | 42 | 81.9317 | -63,614.1 | --- | 32.0 s | 0+ | β⁺→82Y(100%) | 1982 |
| 83Zr | 43 | 82.9292 | -65,912.0 | --- | 42.0 s | (1/2-) | β⁺→83Y(100%) β⁺p→82Sr | 1974 |
| 83mZr | 43 | 82.9293 | -65,859.0 | --- | 530.0 ns | (5/2-) | γ→83Zr(100%) | 1988 |
| 83nZr | 43 | 82.9293 | -65,835.0 | --- | 1.8 µs | (7/2+) | γ→83Zr(100%) | 1988 |
| 84Zr | 44 | 83.9233 | -71,422.0 | --- | 25.8 m | 0+ | β⁺→84Y(100%) | 1977 |
| 85Zr | 45 | 84.9214 | -73,175.0 | --- | 7.86 m | (7/2+) | β⁺→85Y(100%) | 1963 |
| 85mZr | 45 | 84.9218 | -72,883.0 | --- | 10.9 s | (1/2-) | γ→85Zr β⁺→85Y | 1976 |
| 86Zr | 46 | 85.9163 | -77,969.0 | --- | 16.5 h | 0+ | β⁺→86Y(100%) | 1951 |
| 87Zr | 47 | 86.9148 | -79,347.0 | --- | 1.68 h | 9/2+ | β⁺→87Y(100%) | 1948 |
| 87mZr | 47 | 86.9152 | -79,011.0 | --- | 14.0 s | 1/2- | γ→87Zr(100%) | 1972 |
| 88Zr | 48 | 87.9102 | -83,629.0 | --- | 83.4 d | 0+ | EC→88Y(100%) | 1951 |
| 88mZr | 48 | 87.9133 | -80,741.0 | --- | 1.32 µs | 8+ | γ→88Zr(100%) | 1978 |
| 89Zr | 49 | 88.9089 | -84,878.0 | --- | 3.27 d | 9/2+ | β⁺→89Y(100%) | 1948 |
| 89mZr | 49 | 88.9095 | -84,290.2 | --- | 4.16 m | 1/2- | γ→89Zr(93.77%) β⁺→89Y(6.23%) | 1953 |
| 90mZr | 50 | 89.9072 | -86,453.55 | --- | 809.2 ms | 5- | γ→90Zr(100%) | 1972 |
| 90nZr | 50 | 89.9086 | -85,183.13 | --- | 131.0 ns | 8+ | γ→90Zr(100%) | 1977 |
| 91mZr | 51 | 90.909 | -84,728.3 | --- | 4.35 µs | (21/2+) | γ→91Zr(100%) | 1985 |
| 93Zr | 53 | 92.9065 | -87,122.0 | --- | 1.61 My | 5/2+ | β⁻→93Nb(100%) | 1950 |
| 95Zr | 55 | 94.908 | -85,659.9 | --- | 64.03 d | 5/2+ | β⁻→95Nb(100%) | 1946 |
| 97Zr | 57 | 96.911 | -82,936.69 | --- | 16.75 h | 1/2+ | β⁻→97Nb(100%) | 1951 |
| 97mZr | 57 | 96.9123 | -81,672.34 | --- | 104.8 ns | 7/2+ | γ→97Zr(100%) | 1976 |
| 98Zr | 58 | 97.9127 | -81,282.0 | --- | 30.7 s | 0+ | β⁻→98Nb(100%) | 1967 |
| 98mZr | 58 | 97.9198 | -74,680.0 | --- | 1.9 µs | (17-) | γ→98Zr(100%) | 2005 |
| 99Zr | 59 | 98.9167 | -77,617.0 | --- | 2.1 s | 1/2+ | β⁻→99Nb(100%) | 1970 |
| 99mZr | 59 | 98.9169 | -77,365.0 | --- | 336.0 ns | 7/2+ | γ→99Zr(100%) | 1970 |
| 100Zr | 60 | 99.918 | -76,373.0 | --- | 7.1 s | 0+ | β⁻→100Nb(100%) | 1970 |
| 101Zr | 61 | 100.9215 | -73,161.0 | --- | 2.29 s | 3/2+ | β⁻→101Nb(100%) | 1972 |
| 102Zr | 62 | 101.9232 | -71,581.0 | --- | 2.01 s | 0+ | β⁻→102Nb(100%) | 1970 |
| 103Zr | 63 | 102.9272 | -67,809.0 | --- | 1.38 s | (5/2-) | β⁻→103Nb(100%) β⁻n→102Nb(<1%) | 1987 |
| 104Zr | 64 | 103.9294 | -65,718.0 | --- | 920.0 ms | 0+ | β⁻→104Nb(100%) β⁻n→103Nb(<1%) | 1990 |
| 105Zr | 65 | 104.934 | -61,458.0 | --- | 670.0 ms | (1/2+) | β⁻→105Nb(100%) β⁻n→104Nb(<2%) | 1992 |
| 106Zr | 66 | 105.9369 | -58,750.0 | --- | 179.0 ms | 0+ | β⁻→106Nb(100%) β⁻n→105Nb(<7%) | 1994 |
| 107Zr | 67 | 106.942 | -54,020.0 | --- | 145.7 ms | (5/2+) | β⁻→107Nb(100%) β⁻n→106Nb(<23%) | 1994 |
| 108Zr | 68 | 107.9453 | -50,950.0 | --- | 78.5 ms | 0+ | β⁻→108Nb(100%) β⁻n→107Nb | 1997 |
| 108mZr | 68 | 107.9475 | -48,880.0 | --- | 540.0 ns | (6+) | γ→108Zr(100%) | 2011 |
| 109Zr | 69 | 108.9509 | -45,730.0 | --- | 56.0 ms | (5/2+) | β⁻→109Nb(100%) β⁻n→108Nb β⁻n→107Nb | 1997 |
| 110Zr | 70 | 109.9547 | -42,220.0 | --- | 37.5 ms | 0+ | β⁻→110Nb(100%) β⁻n→109Nb β⁻n→108Nb | 1997 |
| 111Zr | 71 | 110.9608 | -36,480.0 | --- | 24.0 ms | (5/2+) | β⁻→111Nb(100%) β⁻n→110Nb β⁻n→109Nb | 2010 |
| 112Zr | 72 | 111.9652 | -32,420.0 | --- | 43.0 ms | 0+ | β⁻→112Nb(100%) β⁻n→111Nb β⁻n→110Nb | 2010 |
| 113Zr | 73 | 112.9717 | -26,340.0 | --- | 15.0 ms | 3/2+ | β⁻→113Nb β⁻n→112Nb β⁻n→111Nb | 2018 |