Rhenium (Re) is a chemical element belonging to the category Transition metal, with atomic number 75 and atomic mass 186.2070 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Rhenium
- Symbol: Re
- Atomic number: 75
- Atomic mass: 186.2070 u
Position in the periodic table
- Group: 7
- Period: 6
- Category: Transition metal
Physico-chemical properties
- Standard state: Solid
- Melting point: Very high (~3186°C)
- Density: Very high (~21.0 g/cm³)
- Electron configuration: [Xe] 4f¹⁴ 5d⁵ 6s²
Scientific description
Rhenium is a chemical element with symbol Re and atomic number 75. It belongs to the category of transition metal and occupies group 7 and period 6. Its standard atomic mass is 186.2070 u.