Atomic Properties
- Atomic Number
- 75
- Atomic Mass
- 186.2100 u
- Electron Configuration
- [Xe] 4f14 5d5 6s2
- Electronegativity
- 1.90
- Block
- d-block
- Group
- 7
- Period
- 6
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 3459.00 K
- Boiling Point
- 5903.00 K
- Density
- 21.0200 g/cm³
About Rhenium
One of the rarest elements; used in jet engines and catalysts.
Isotopes of Rhenium
Rhenium has 2 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 185Re | 185 | 184.9529545 | 37.40% | Stable |
| 187Re | 187 | 186.9557501 | 62.60% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)