Meitnerium is a synthetic element named after Lise Meitner, a physicist who contributed to the discovery of nuclear fission.
| Property | Value |
|---|---|
| Atomic Number | 109 |
| Symbol | Mt |
| Atomic Mass | [278] u |
| Electron Configuration | [Rn] 5f14 6d7 7s2 |
| State at Room Temperature | Solid (predicted) |