| Element (Atom) Name | Meitnerium |
| Symbol | Mt |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | None |
| Period Number (Periodic table) | 7 |
| Group number (Periodic table) | 9 |
| Atomic number | 109 |
| Atomic weight | 278 (Ref: Jlab-ele109, Lanl-109) |
| Atomic Radius | empirical: 128 pm (predicted) (Ref: Lanl-109) |
| Density | |
| Melting point | |
| Boiling point | |
| Electron shell configuration (Unconfirmed) | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d7 7s2 |
| Oxidation States | 9, 8, 6, 4, 3, 1 (predicted) (Ref: Lanl-109) |
| Ionization Energy | |
| Number of Stable Isotopes | 0 |
| InChI | InChI=1S/Mt (Ref: Pubchem-109) |
| InChI Key | VAJSJTKWMRUWBF-UHFFFAOYSA-N (Ref: Pubchem-109) |
| Remarks | Radioactive, Artificially Produced (Ref: Jlab-ele109) |
REFERENCES
- Jlab-ele109: https://education.jlab.org/itselemental/ele109.html
- Lanl-109: https://periodic.lanl.gov/109.shtml
- ciaaw-atomic-weights: https://www.ciaaw.org/atomic-weights.htm
- Nist-109: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=109
- Pubchem-109: https://pubchem.ncbi.nlm.nih.gov/element/109
- science.co.il: https://www.science.co.il/elements/
