Ho
Holmium
Z 67 164.93 g/molLanthanide
| 165Ho | 98 | 164.9303 | -64,898.0 | 100.0% | Stable | 7/2- | --- | 1934 |
| 140Ho | 73 | 139.9685 | -29,320.0 | --- | 6.0 ms | (8+) | p→139Dy β⁺→140Dy β⁺p→139Tb | 1999 |
| 141Ho | 74 | 140.9631 | -34,360.0 | --- | 4.1 ms | (7/2-) | p→140Dy(100%) β⁺→141Dy β⁺p→140Tb | 1998 |
| 141mHo | 74 | 140.9632 | -34,290.0 | --- | 7.3 µs | (1/2+) | p→140Dy(100%) | 1998 |
| 142Ho | 75 | 141.96 | -37,250.0 | --- | 400.0 ms | (7+) | β⁺→142Dy(100%) β⁺p→141Tb | 2001 |
| 143Ho | 76 | 142.9549 | -42,050.0 | --- | 300.0 ms | (11/2-) | β⁺→143Dy β⁺p→142Tb | 2000 |
| 144Ho | 77 | 143.9521 | -44,610.0 | --- | 700.0 ms | (5-) | β⁺→144Dy(100%) β⁺p→143Tb | 1986 |
| 144mHo | 77 | 143.9524 | -44,345.0 | --- | 519.0 ns | (8+) | γ→144Ho(100%) | 2001 |
| 145Ho | 78 | 144.9473 | -49,120.0 | --- | 2.4 s | (11/2-) | β⁺→145Dy(100%) | 1987 |
| 145mHo | 78 | 144.9474 | -49,020.0 | --- | 100.0 ms | (5/2+) | β⁺→145Dy γ→145Ho | --- |
| 146Ho | 79 | 145.945 | -51,238.0 | --- | 3.32 s | (6-) | β⁺→146Dy(100%) β⁺p→145Tb | 1982 |
| 147Ho | 80 | 146.9401 | -55,757.0 | --- | 5.8 s | (11/2-) | β⁺→147Dy(100%) | 1982 |
| 147mHo | 80 | 146.943 | -53,070.0 | --- | 315.0 ns | (27/2-) | γ→147Ho(100%) | 1982 |
| 148Ho | 81 | 147.9377 | -57,990.0 | --- | 2.2 s | (1+) | β⁺→148Dy(100%) | 1979 |
| 148mHo | 81 | 147.938 | -57,740.0 | --- | 9.49 s | (5-) | β⁺→148Dy(99.92%) β⁺p→147Tb(0.08%) | 1979 |
| 148nHo | 81 | 147.9388 | -57,050.0 | --- | 2.36 ms | (10+) | γ→148Ho(100%) | 1984 |
| 149Ho | 82 | 148.9338 | -61,646.0 | --- | 21.1 s | (11/2-) | β⁺→149Dy(100%) | 1979 |
| 149mHo | 82 | 148.9339 | -61,597.0 | --- | 56.0 s | (1/2+) | β⁺→149Dy(100%) | 1988 |
| 150Ho | 83 | 149.9335 | -61,946.0 | --- | 1.28 m | (2-) | β⁺→150Dy(100%) | 1963 |
| 150mHo | 83 | 149.9335 | -61,950.0 | --- | 23.3 s | (9+) | β⁺→150Dy(100%) | 1980 |
| 150nHo | 83 | 149.942 | -54,050.0 | --- | 787.0 ns | (28-) | γ→150Ho(100%) | 2006 |
| 151Ho | 84 | 150.9317 | -63,623.0 | --- | 35.2 s | 11/2- | β⁺→151Dy(88%) α→147Tb(22%) | 1963 |
| 151mHo | 84 | 150.9317 | -63,582.0 | --- | 47.2 s | 1/2+ | α→147Tb(77%) β⁺→151Dy(23%) | 1963 |
| 152Ho | 85 | 151.9317 | -63,605.0 | --- | 2.7 m | 2- | β⁺→152Dy(88%) α→148Tb(12%) | 1963 |
| 152mHo | 85 | 151.9319 | -63,445.0 | --- | 49.8 s | 9+ | β⁺→152Dy(89.2%) α→148Tb(10.8%) | 1963 |
| 152nHo | 85 | 151.935 | -60,585.0 | --- | 8.4 µs | 19- | γ→152Ho(100%) | 1997 |
| 153Ho | 86 | 152.9302 | -65,012.0 | --- | 2.01 m | 11/2- | β⁺→153Dy(99.949%) α→149Tb(0.051%) | 1963 |
| 153mHo | 86 | 152.9303 | -64,943.0 | --- | 9.3 m | 1/2+ | β⁺→153Dy(99.82%) α→149Tb(0.18%) | 1963 |
| 153nHo | 86 | 152.9332 | -62,240.0 | --- | 229.0 ns | 31/2+ | γ→153Ho(100%) | 1980 |
| 154Ho | 87 | 153.9306 | -64,639.0 | --- | 11.76 m | 2- | β⁺→154Dy(99.981%) α→150Tb(0.019%) | 1966 |
| 154mHo | 87 | 153.9309 | -64,397.0 | --- | 3.1 m | 8+ | β⁺→154Dy(~100%) α→150Tb(<0.001%) | 1968 |
| 155Ho | 88 | 154.9291 | -66,040.0 | --- | 48.0 m | 5/2+ | β⁺→155Dy(100%) | 1959 |
| 155mHo | 88 | 154.9293 | -65,898.0 | --- | 880.0 µs | 11/2- | γ→155Ho(100%) | 1984 |
| 156Ho | 89 | 155.9296 | -65,540.0 | --- | 56.0 m | 4- | β⁺→156Dy(100%) | 1957 |
| 156mHo | 89 | 155.9297 | -65,490.0 | --- | 9.5 s | 1- | γ→156Ho(100%) β⁺→156Dy | 1995 |
| 156nHo | 89 | 155.9299 | -65,304.0 | --- | 7.6 m | 9+ | β⁺→156Dy(75%) γ→156Ho | 1975 |
| 157Ho | 90 | 156.9283 | -66,833.0 | --- | 12.6 m | 7/2- | β⁺→157Dy(100%) | 1966 |
| 158Ho | 91 | 157.9289 | -66,187.0 | --- | 11.3 m | 5+ | β⁺→158Dy(100%) α→154Tb | 1961 |
| 158mHo | 91 | 157.929 | -66,120.0 | --- | 28.0 m | 2- | γ→158Ho(91%) β⁺→158Dy(9%) | 1960 |
| 158nHo | 91 | 157.929 | -66,095.0 | --- | 140.0 ns | (2-) | γ→158Ho(100%) | 2005 |
| 159Ho | 92 | 158.9277 | -67,330.0 | --- | 33.05 m | 7/2- | β⁺→159Dy(100%) | 1958 |
| 159mHo | 92 | 158.9279 | -67,124.0 | --- | 8.3 s | 1/2+ | γ→159Ho(100%) | 1966 |
| 160Ho | 93 | 159.9287 | -66,382.0 | --- | 25.6 m | 5+ | β⁺→160Dy(100%) | 1950 |
| 160mHo | 93 | 159.9288 | -66,322.0 | --- | 5.02 h | 2- | γ→160Ho(73%) β⁺→160Dy(27%) | 1955 |
| 160nHo | 93 | 159.9289 | -66,185.0 | --- | --- | (9+) | γ→160Ho(100%) | 1988 |
| 161Ho | 94 | 160.9279 | -67,196.3 | --- | 2.48 h | 7/2- | EC→161Dy(100%) | 1954 |
| 161mHo | 94 | 160.9281 | -66,985.2 | --- | 6.76 s | 1/2+ | γ→161Ho(100%) | 1965 |
| 162Ho | 95 | 161.9291 | -66,041.0 | --- | 15.0 m | 1+ | β⁺→162Dy(100%) | 1957 |
| 162mHo | 95 | 161.9292 | -65,935.0 | --- | 1.12 h | 6- | γ→162Ho(62%) β⁺→162Dy(38%) | 1961 |
| 163Ho | 96 | 162.9287 | -66,378.0 | --- | 4.57 ky | 7/2- | EC→163Dy(100%) | 1957 |
| 163mHo | 96 | 162.9291 | -66,080.1 | --- | 1.09 s | 1/2+ | γ→163Ho(100%) | 1957 |
| 163nHo | 96 | 162.931 | -64,268.6 | --- | 800.0 ns | (23/2+) | γ→163Ho(100%) | 2012 |
| 164Ho | 97 | 163.9302 | -64,980.5 | --- | 28.8 m | 1+ | EC→164Dy(61%) β⁺→164Dy(39%) | 1938 |
| 164mHo | 97 | 163.9304 | -64,840.7 | --- | 36.6 m | 6- | γ→164Ho(100%) | 1966 |
| 165mHo | 98 | 164.9307 | -64,536.3 | --- | 1.51 µs | 3/2+ | γ→165Ho(100%) | 1958 |
| 165nHo | 98 | 164.9311 | -64,182.7 | --- | --- | 7/2+ | γ→165Ho(100%) | 1958 |
| 166Ho | 99 | 165.9323 | -63,070.3 | --- | 1.12 d | 0- | β⁻→166Er(100%) | 1936 |
| 166mHo | 99 | 165.9323 | -63,064.3 | --- | 1.13 ky | 7- | β⁻→166Er(100%) | 1952 |
| 166nHo | 99 | 165.9325 | -62,879.4 | --- | 185.0 µs | 3+ | γ→166Ho(100%) | 1960 |
| 167Ho | 100 | 166.9331 | -62,279.0 | --- | 3.1 h | 7/2- | β⁻→167Er(100%) | 1955 |
| 167mHo | 100 | 166.9334 | -62,020.0 | --- | 6.0 µs | 3/2+ | γ→167Ho(100%) | 1977 |
| 168Ho | 101 | 167.9355 | -60,060.0 | --- | 2.99 m | 3+ | β⁻→168Er(100%) | 1960 |
| 168mHo | 101 | 167.9356 | -60,000.0 | --- | 2.2 m | (6+) | γ→168Ho(100%) β⁻→168Er | 1990 |
| 168nHo | 101 | 167.9357 | -59,920.0 | --- | --- | (1-) | γ→168Ho(100%) | 1990 |
| 169Ho | 102 | 168.9369 | -58,796.0 | --- | 4.72 m | 7/2- | β⁻→169Er(100%) | 1963 |
| 169mHo | 102 | 168.9384 | -57,410.0 | --- | 118.0 µs | (19/2+) | γ→169Ho(100%) | 2010 |
| 170Ho | 103 | 169.9396 | -56,240.0 | --- | 2.76 m | (6+) | β⁻→170Er(100%) | 1960 |
| 170mHo | 103 | 169.9397 | -56,140.0 | --- | 43.0 s | (1+) | β⁻→170Er(100%) | 1960 |
| 171Ho | 104 | 170.9415 | -54,520.0 | --- | 53.0 s | (7/2-) | β⁻→171Er(100%) | 1989 |
| 172Ho | 105 | 171.9447 | -51,480.0 | --- | 25.0 s | (0+) | β⁻→172Er(100%) | 1991 |
| 173Ho | 106 | 172.947 | -49,350.0 | --- | 7.1 s | (7/2-) | β⁻→173Er(100%) | 2012 |
| 173mHo | 106 | 172.9475 | -48,950.0 | --- | 3.7 µs | (1/2+) | γ→173Ho(100%) | 2020 |
| 174Ho | 107 | 173.9508 | -45,870.0 | --- | 3.7 s | (8-) | β⁻→174Er(100%) | 2012 |
| 175Ho | 108 | 174.9535 | -43,300.0 | --- | 1.88 s | (7/2-) | β⁻→175Er(100%) β⁻n→174Er | 2012 |
| 176Ho | 109 | 175.9577 | -39,390.0 | --- | 1.0 s | (4+) | β⁻→176Er β⁻n→175Er | 2012 |
| 177Ho | 110 | 176.9611 | -36,280.0 | --- | 1.0 s | (7/2-) | β⁻→177Er(100%) n→176Ho | 2018 |
| 178Ho | 111 | 177.9655 | -32,130.0 | --- | 750.0 ms | (2+) | β⁻→178Er β⁻n→177Er | 2018 |