Elements / 44
44Ru101.07
Ruthenium
Transition metal · d-block · ring O · spoke 8
Ruthenium is element 44, a transition metal. It sits on ring O (period 5) on spoke 8. Follow that spoke toward the center and out again to find its chemical relatives.
Properties
| Density | 12.4 g/cm³ | Terrain → |
|---|---|---|
| Melting point | 2,607 K · 2,334 °C8th highest melting point of 97 | Terrain → |
| Boiling point | 4,423 K · 4,150 °C | Terrain → |
| Electronegativity | 2.20 | Terrain → |
| First ionization energy | 710 kJ/mol | Terrain → |
| Atomic weight | 101.072 u | Terrain → |
| Crustal abundance | 0.001 ppm | Terrain → |
| Discovered | 1844 | 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
- An early claimant called it vestium, after the asteroid Vesta, then withdrew. Parker 51 pen nibs were tipped with an alloy 96.2% of it.
- Isolated from platinum residues at Kazan University in 1844 and named by its discoverer in honour of his motherland, Russia.
Checked against en.wikipedia.org.
Spoke 8
Ring O (period 5)
Play with Ruthenium
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.