Meitnerium
| Use attributes for filter ! | |
| Symbol | Mt |
|---|---|
| Atomic mass | 268 u |
| Atomic number | 109 |
| Electron configuration | 5f14 6d7 7s2 (predicted) |
| Naming | Lise Meitner |
| Did you know | Meitnerium was named after the physicist Lise Meitner, one of the discoverers of nuclear fission. |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1189170 |
About Meitnerium
Meitnerium is a synthetic chemical element with the symbol Mt and atomic number 109. It is an extremely radioactive synthetic element. The most stable known isotope, meitnerium-278, has a half-life of 4. 5 seconds, although the unconfirmed meitnerium-282 may have a longer half-life of 67 seconds.