| name | Meitnerium |
| latin | Meitnerium |
| french | Meitnerium |
| german | Meitnerium |
| symbol | Mt |
| proton number | 109 |
| atomic weight | [266] |
| Pauling electronegativity | - |
| electronic configuration | [Rn] 5f146d77s2 1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f146d77s2 |
| melting point | - |
| boiling point | - |
| group | 9 |
| period | 7 |
| state (by 20°C) | solid |
| oxidation states | - |
| Year of discovery | Discoverers |
| 1982 | Peter Armbruster Gottfried Münzenber and their coworkers from GSI (Darmstadt, Germany) |