Elements / 75
75Re186.21
Rhenium
Transition metal · d-block · ring P · spoke 7
Rhenium is element 75, a transition metal. It sits on ring P (period 6) on spoke 7. Follow that spoke toward the center and out again to find its chemical relatives.
Properties
| Density | 21 g/cm³4th densest of 99 | Terrain → |
|---|---|---|
| Melting point | 3,459 K · 3,186 °C2nd highest melting point of 97 | Terrain → |
| Boiling point | 5,869 K · 5,596 °C2nd highest boiling point of 96 | Terrain → |
| Electronegativity | 1.90 | Terrain → |
| First ionization energy | 760 kJ/mol | Terrain → |
| Atomic weight | 186.207 u | Terrain → |
| Crustal abundance | 7.0 × 10⁻⁴ ppm | Terrain → |
| Discovered | 1908 | 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
- In 1908 Masataka Ogawa announced it as nipponium, after Japan, but mistook it for a different missing element.
- Named after a major European river; jet engine superalloys with up to 6 percent of it are its largest single use.
Checked against en.wikipedia.org.
Spoke 7
Ring P (period 6)
Play with Rhenium
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.