Rhenium (Re)
Rhenium is one of the rarest elements in Earth's crust and has the third-highest melting point.
Properties of Rhenium
- Atomic number
- 75
- Category
- Transition Metal
- Atomic mass
- 186.21 u
- Electron configuration
- [Xe] 4f¹⁴ 5d⁵ 6s²
- Melting point
- 3459 K (3185.85 °C)
- Boiling point
- 5869 K (5595.85 °C)
- Density
- 21.02 g/cm³
- Electronegativity (Pauling)
- 1.9
- Appearance
- Silvery-grayish metal
- Discovered by
- Masataka Ogawa (1925)
Facts about Rhenium
- Rhenium was the last stable, naturally occurring element to be discovered!
- Rhenium is named after the Rhine River in Germany!
- Rhenium is used in jet engine turbine blades because it handles extreme heat!
- Rhenium has the third-highest melting point of any element!