| Element | Meitnerium | Symbol | Mt |
| Atomic Number | 109 | Molar Mass | 266 gmol-1 |
| Electron Configuration | [Rn]5f146d77s2 | Normal State | |
| Density @STP | g cm-3 | Melting Point | oC |
| Boiling Point | oC | Stable Isotopes | none |
| Atomic Radius | pm | Ionic Radius | 83 (2+) pm |
| Electronegativity (Pauling) | Ionization Energy (1st) | 840 kJ mol-1 | |
| Ionization Energy (2nd) | kJ mol-1 | Ionization Energy (3rd) | kJ mol-1 |
| Molar Heat Capacity | J K-1mol-1 | Standard Molar Entropy | J K-1mol-1 |
| Enthalpy of Fusion | kJ mol-1 | Enthalpy of Vapourization | kJ mol-1 |