75 Re
Transition metal
Rhenium
Used in jet engine alloys.
Properties of Rhenium
- Atomic number (Z)
- 75
- Symbol
- Re
- Atomic mass
- 186.21 g/mol
- Category
- Transition metal
- Group
- 7
- Period
- 6
- Electron configuration
- [Xe] 4f¹⁴ 5d⁵ 6s²
- Electronegativity (Pauling)
- 1.9
- Atomic radius
- 188 pm
- First ionization energy
- 760 kJ/mol
- Melting point
- 3459 K (3185.8 °C)
- Boiling point
- 5869 K (5595.9 °C)
- Density
- 21.02 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1925
Frequently asked questions
What is Rhenium?
Rhenium (Re) is a transition metal, element number 75 on the periodic table. Used in jet engine alloys.
What is the atomic number and atomic mass of Rhenium?
Rhenium has atomic number 75 and an atomic mass of about 186.21 g/mol.
What is the electron configuration of Rhenium?
The electron configuration of Rhenium is [Xe] 4f¹⁴ 5d⁵ 6s².
Where is Rhenium on the periodic table?
Rhenium sits in group 7, period 6, and is classified as a transition metal.