Elements / 109
109Mt[278]
Meitnerium
Properties unknown · d-block · ring Q · spoke 9
Meitnerium is element 109, a properties unknown. It sits on ring Q (period 7) on spoke 9. Follow that spoke toward the center and out again to find its chemical relatives.
Properties
| Density | Not measured | Terrain → |
|---|---|---|
| Melting point | Not measured | Terrain → |
| Boiling point | Not measured | Terrain → |
| Electronegativity | Not measured | Terrain → |
| First ionization energy | Not measured | Terrain → |
| Atomic weight | 278 u10th heaviest of 118 | Terrain → |
| Crustal abundance | Not measured | Terrain → |
| Discovered | 1982 | Terrain → |
Values from open reference data; see sources. "Terrain" opens that property as a 3D landscape across the whole spiral.
Two things you might not know
- Its discovery on August 29, 1982 rested on a single detected atom. Predicted density: around 27-28 g/cm3.
- The only element named specifically after a non-mythological woman, an Austrian-Swedish nuclear physicist.
Checked against en.wikipedia.org.
Spoke 9
Ring Q (period 7)
Play with Meitnerium
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.