Mt
Meitnerium Symbol (Mt)
Meitnerium is element 109 of the periodic table. Copy its symbol Mt and see its atomic weight, electron configuration and physical properties.
What does Mt mean?
Mt is the chemical symbol for meitnerium, element number 109 in the periodic table. Meitnerium is a transition metal in group 9, period 7. It is a solid at room temperature and was discovered in 1982.
Codes and properties
| Chemical symbol | Mt |
|---|---|
| Atomic number (Z) | 109 |
| Mass number (no standard atomic weight) | [277] |
| Group / period | 9 / 7 |
| Element category | transition metal |
| Electron configuration | [Rn]7s² 5f¹⁴ 6d⁷ (calculated) |
| State at 20 °C | Solid |
| Oxidation states | 9, 8, 6, 4, 3, 1 |
| Discovered | 1982 |
How to type Mt
- Plain text: type
Mt— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Mt}in math mode, or use the mhchem package:\ce{Mt}. - HTML:
Mt; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for meitnerium?
The chemical symbol for meitnerium is Mt.
What is the atomic number of meitnerium?
Meitnerium has atomic number 109, meaning each atom has 109 protons.
What is the electron configuration of meitnerium?
The ground-state electron configuration of meitnerium is [Rn]7s² 5f¹⁴ 6d⁷ (calculated).
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Reference: Meitnerium on PubChem (NIH)