Isotopes
| Isotope | Year discovered | discovery reaction |
|---|---|---|
| 256Db | 1983?, 2000 | 209Bi(50Ti,3n) |
| 257Dbg | 1985 | 209Bi(50Ti,2n) |
| 257Dbm | 2000 | 209Bi(50Ti,2n) |
| 258Db | 1976?, 1981 | 209Bi(50Ti,n) |
| 259Db | 2001 | 241Am(22Ne,4n) |
| 260Db | 1970 | 249Cf(15N,4n) |
| 261Db | 1971 | 249Bk(16O,4n) |
| 262Db | 1971 | 249Bk(18O,5n) |
| 263Db | 1971?, 1990 | 249Bk(18O,4n) |
| 264Db | unknown | |
| 265Db | unknown | |
| 266Db | 2006 | 237Np(48Ca,3n) |
| 267Db | 2003 | 243Am(48Ca,4n) |
| 268Db | 2003 | 243Am(48Ca,3n) |
| 269Db | unknown | |
| 270Db | 2009 | 249Bk(48Ca,3n) |
Read more about this topic: Dubnium