75Re
Element 75
Rhenium
Transition metals
Rhenium is a chemical element with symbol Re and atomic number 75.
Key data
- Atomic number
- 75
- Atomic mass
- 186.207 u
- Group / Period
- 7 / 6
- Block
- d-block
- Phase at STP
- Solid
- Density
- 21.02 g/cm³
- Melting point
- 3185.8 °C
- Boiling point
- 5595.9 °C
- Electron configuration
- [Xe] 4f14 5d5 6s2
Common uses
- •Jet engine alloys
- •Petroleum catalysts
- •Thermocouples
Discovery
Year: 1925
Discovered by: Masataka Ogawa
Named by: Walter Noddack
Frequently asked questions
What is the atomic number of Rhenium?
Rhenium has atomic number 75. Its symbol is Re and its atomic mass is 186.207 u.
What category of element is Rhenium?
Rhenium is classified as transition metals. It sits in group 7, period 6 of the periodic table.
What is Rhenium used for?
Common uses of Rhenium include: Jet engine alloys, Petroleum catalysts, Thermocouples.
When was Rhenium discovered?
Rhenium was discovered in 1925 by Masataka Ogawa.
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