Bh
Bohrium
Z 107 270.0 g/molTransition Metal Radioactive
| 260Bh | 153 | 260.1214 | 113,120.0 | --- | 41.0 ms | --- | α→256Db(100%) β⁺→260Sg SF | 2008 |
| 261Bh | 154 | 261.1214 | 113,080.0 | --- | 12.8 ms | (5/2-) | α→257Db(100%) SF | 1989 |
| 262Bh | 155 | 262.1227 | 114,250.0 | --- | 84.0 ms | --- | α→258Db(100%) SF(<20%) | 1981 |
| 262mBh | 155 | 262.1229 | 114,470.0 | --- | 9.5 ms | --- | α→258Db(100%) SF | 1981 |
| 263Bh | 156 | 263.1229 | 114,500.0 | --- | 200.0 ms | (5/2-) | α→259Db | --- |
| 264Bh | 157 | 264.1245 | 115,960.0 | --- | 1.07 s | --- | α→260Db(86%) SF(14%) β⁺→264Sg | 1995 |
| 265Bh | 158 | 265.125 | 116,400.0 | --- | 1.19 s | (5/2-) | α→261Db | 2004 |
| 266Bh | 159 | 266.1268 | 118,100.0 | --- | 10.6 s | --- | α→262Db(100%) β⁺→266Sg SF | 2000 |
| 267Bh | 160 | 267.1275 | 118,770.0 | --- | 22.0 s | (5/2-) | α→263Db(100%) | 2000 |
| 268Bh | 161 | 268.1296 | 120,710.0 | --- | 3.17 m | --- | α→264Db SF | --- |
| 269Bh | 162 | 269.1304 | 121,480.0 | --- | 1.0 m | (5/2-) | α→265Db | --- |
| 270Bh | 163 | 270.1334 | 124,230.0 | --- | 3.8 m | --- | α→266Db(100%) | 2007 |
| 271Bh | 164 | 271.1351 | 125,860.0 | --- | 2.9 s | --- | α→267Db(100%) | 2013 |
| 272Bh | 165 | 272.1383 | 128,790.0 | --- | 11.3 s | --- | α→268Db(100%) | 2004 |
| 273Bh | 166 | 273.1403 | 130,680.0 | --- | 1.0 m | --- | α→269Db SF | --- |
| 274Bh | 167 | 274.1436 | 133,760.0 | --- | 57.0 s | --- | α→270Db(100%) | 2010 |
| 275Bh | 168 | 275.1458 | 135,780.0 | --- | 1.0 m | (5/2-) | SF | --- |
| 276Bh | 169 | 276.1492 | 138,950.0 | --- | 1.0 m | --- | α→272Db SF | --- |
| 277Bh | 170 | 277.1515 | 141,100.0 | --- | 10.0 s | --- | α→273Db SF | --- |
| 278Bh | 171 | 278.155 | 144,370.0 | --- | 2.0 s | --- | SF(100%) α→274Db | 2016 |