Nd
Neodymium
Z 60 144.242 g/molLanthanide
| 142Nd | 82 | 141.9077 | -85,950.1 | 27.153% | Stable | 0+ | --- | 1924 |
| 144Nd | 84 | 143.9101 | -83,748.0 | 23.798% | 2.29 Py | 0+ | α→140Ce(100%) | 1924 |
| 146Nd | 86 | 145.9131 | -80,925.9 | 17.189% | Stable | 0+ | β⁻ α→142Ce | 1924 |
| 143Nd | 83 | 142.9098 | -84,002.3 | 12.173% | Stable | 7/2- | --- | 1933 |
| 145Nd | 85 | 144.9126 | -81,432.0 | 8.293% | Stable | 7/2- | α→141Ce | 1933 |
| 148Nd | 88 | 147.9169 | -77,408.1 | 5.756% | Stable | 0+ | β⁻ α→144Ce | 1937 |
| 150Nd | 90 | 149.9209 | -73,680.0 | 5.638% | 9.3 Ey | 0+ | β⁻(100%) | 1937 |
| 124Nd | 64 | 123.9519 | -44,830.0 | --- | 500.0 ms | 0+ | β⁺→124Pr β⁺p→123Ce | --- |
| 125Nd | 65 | 124.9484 | -48,070.0 | --- | 650.0 ms | (5/2+) | β⁺→125Pr(100%) | 1999 |
| 126Nd | 66 | 125.9427 | -53,380.0 | --- | 1.0 s | 0+ | β⁺→126Pr β⁺p→125Ce | 2000 |
| 127Nd | 67 | 126.94 | -55,910.0 | --- | 1.8 s | (5/2+) | β⁺→127Pr(100%) β⁺p→126Ce | 1983 |
| 128Nd | 68 | 127.935 | -60,530.0 | --- | 5.0 s | 0+ | β⁺→128Pr | 1985 |
| 129Nd | 69 | 128.933 | -62,380.0 | --- | 6.8 s | (7/2-) | β⁺→129Pr(100%) β⁺p→128Ce | 1977 |
| 129mNd | 69 | 128.9331 | -62,330.0 | --- | 2.6 s | (1/2+) | β⁺→129Pr(100%) β⁺p→128Ce | 2010 |
| 130Nd | 70 | 129.9285 | -66,596.0 | --- | 21.0 s | 0+ | β⁺→130Pr(100%) | 1977 |
| 131Nd | 71 | 130.9272 | -67,768.0 | --- | 25.4 s | (5/2+) | β⁺→131Pr(100%) β⁺p→130Ce | 1977 |
| 132Nd | 72 | 131.9233 | -71,426.0 | --- | 1.56 m | 0+ | β⁺→132Pr(100%) | 1977 |
| 133Nd | 73 | 132.9224 | -72,330.0 | --- | 1.17 m | (7/2+) | β⁺→133Pr(100%) | 1977 |
| 133mNd | 73 | 132.9225 | -72,200.0 | --- | --- | (1/2+) | β⁺→133Pr γ→133Nd | 1993 |
| 133nNd | 73 | 132.9225 | -72,150.0 | --- | 301.0 ns | (9/2-) | γ→133Nd(100%) | 1993 |
| 134Nd | 74 | 133.9188 | -75,646.0 | --- | 8.5 m | 0+ | β⁺→134Pr(100%) | 1970 |
| 134mNd | 74 | 133.9213 | -73,353.0 | --- | 389.0 µs | 8- | γ→134Nd(100%) | 1969 |
| 135Nd | 75 | 134.9182 | -76,214.0 | --- | 12.4 m | 9/2- | β⁺→135Pr(100%) | 1970 |
| 135mNd | 75 | 134.9183 | -76,149.0 | --- | 5.5 m | (1/2+) | β⁺→135Pr(100%) γ→135Nd | 1970 |
| 136Nd | 76 | 135.915 | -79,199.0 | --- | 50.65 m | 0+ | β⁺→136Pr(100%) | 1968 |
| 137Nd | 77 | 136.9146 | -79,584.0 | --- | 38.5 m | 1/2+ | β⁺→137Pr(100%) | 1970 |
| 137mNd | 77 | 136.9151 | -79,065.0 | --- | 1.6 s | 11/2- | γ→137Nd(100%) | 1970 |
| 138Nd | 78 | 137.912 | -82,017.0 | --- | 5.04 h | 0+ | β⁺→138Pr(100%) | 1965 |
| 138mNd | 78 | 137.9154 | -78,843.0 | --- | 370.0 ns | 10+ | γ→138Nd(100%) | 1975 |
| 139Nd | 79 | 138.912 | -82,017.0 | --- | 29.7 m | 3/2+ | β⁺→139Pr(100%) | 1951 |
| 139mNd | 79 | 138.9122 | -81,786.0 | --- | 5.5 h | 11/2- | β⁺→139Pr(87%) γ→139Nd(13%) | 1951 |
| 139nNd | 79 | 138.9148 | -79,400.0 | --- | 276.8 ns | 23/2+ | γ→139Nd(100%) | 1980 |
| 140Nd | 80 | 139.9095 | -84,257.0 | --- | 3.37 d | 0+ | EC→140Pr(100%) | 1949 |
| 140mNd | 80 | 139.9119 | -82,035.0 | --- | 600.0 µs | 7- | γ→140Nd(100%) | 1962 |
| 140nNd | 80 | 139.9175 | -76,822.0 | --- | 1.22 µs | 20+ | γ→140Nd(100%) | 2008 |
| 141Nd | 81 | 140.9096 | -84,192.0 | --- | 2.49 h | 3/2+ | β⁺→141Pr(100%) EC→141Pr(97.28%) β⁺(2.72%) | 1949 |
| 141mNd | 81 | 140.9104 | -83,435.0 | --- | 1.03 m | 11/2- | γ→141Nd(~100%) β⁺→141Pr(0.032%) | 1960 |
| 142mNd | 82 | 142.0 | 0.0 | --- | 16.5 µs | 6+ | γ→142Nd(100%) | 1964 |
| 147Nd | 87 | 146.9161 | -78,146.8 | --- | 10.98 d | 5/2- | β⁻→147Pm(100%) | 1947 |
| 149Nd | 89 | 148.9202 | -74,375.5 | --- | 1.73 h | 5/2- | β⁻→149Pm(100%) | 1938 |
| 151Nd | 91 | 150.9238 | -70,943.2 | --- | 12.44 m | 3/2+ | β⁻→151Pm(100%) | 1938 |
| 152Nd | 92 | 151.9247 | -70,150.0 | --- | 11.4 m | 0+ | β⁻→152Pm(100%) | 1969 |
| 153Nd | 93 | 152.9277 | -67,330.4 | --- | 31.6 s | (3/2-) | β⁻→153Pm(100%) | 1987 |
| 153mNd | 93 | 152.9279 | -67,138.7 | --- | 1.1 µs | (5/2+) | γ→153Nd(100%) | 1996 |
| 154Nd | 94 | 153.9296 | -65,579.6 | --- | 25.9 s | 0+ | β⁻→154Pm(100%) | 1970 |
| 154mNd | 94 | 153.931 | -64,281.7 | --- | 3.2 µs | (4-) | γ→154Nd(100%) | 1970 |
| 155Nd | 95 | 154.9331 | -62,284.0 | --- | 8.9 s | (3/2-) | β⁻→155Pm(100%) | 1986 |
| 156Nd | 96 | 155.9354 | -60,202.1 | --- | 5.06 s | 0+ | β⁻→156Pm(100%) | 1987 |
| 156mNd | 96 | 155.9369 | -58,770.8 | --- | 365.0 ns | (5-) | γ→156Nd(100%) | 1998 |
| 157Nd | 97 | 156.9394 | -56,494.1 | --- | 1.15 s | (5/2-) | β⁻→157Pm(100%) | 1992 |
| 158Nd | 98 | 157.9422 | -53,835.1 | --- | 810.0 ms | 0+ | β⁻→158Pm(100%) | 1992 |
| 158mNd | 98 | 157.944 | -52,187.0 | --- | 339.0 ns | (6-) | γ→158Nd(100%) | 2016 |
| 159Nd | 99 | 158.9466 | -49,724.0 | --- | 500.0 ms | (7/2+) | β⁻→159Pm(100%) β⁻n→158Pm | 2012 |
| 160Nd | 100 | 159.9498 | -46,720.0 | --- | 439.0 ms | 0+ | β⁻→160Pm(100%) β⁻n→159Pm | 1985 |
| 160mNd | 100 | 159.951 | -45,610.0 | --- | 1.63 µs | (4-) | γ→160Nd(100%) | 2016 |
| 161Nd | 101 | 160.9547 | -42,230.0 | --- | 215.0 ms | (1/2-) | β⁻→161Pm(100%) β⁻n→160Pm | 2012 |
| 162Nd | 102 | 161.9581 | -39,010.0 | --- | 310.0 ms | 0+ | β⁻→162Pm(100%) | 2012 |
| 163Nd | 103 | 162.9634 | -34,080.0 | --- | 80.0 ms | (5/2-) | β⁻→163Pm β⁻n→162Pm | 2018 |