Elements · ← Hs Hassium · Ds Darmstadtium →
Mt Meitnerium
Basic facts
| Symbol | Mt |
|---|---|
| Atomic number | 109 |
| Atomic mass | 277.154(no standard atomic weight: the element has no stable isotopes or characteristic natural composition; PubChem lists this isotope mass) |
| Group | 9 |
| Period | 7 |
| Block | d-block |
| Category | Transition metal |
| Standard state | Solid |
| Discovered | 1982 |
Source: PubChem, Meitnerium (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
Biotech uses & experiments
No verified biotech applications listed yet.