Rhenium (Re)

Rhenium (Re)

Atomic Number: 75
Atomic Weight: 186.20
Melting Point: 3180
Boiling Point: 5627
Specific Gravity: 21.02
Valence(s): -1, 2, 3, 4, 5, 6 or 7

Noddack, Tacke, and Berg discovered Rhenium in 1925, Rhenium is a dense metal that can only be found dispersed throughout the earth's crust. Rhenium-Molybdenum wires are conductive at extremely low temperatures. Rhenium wire is used in photoflash lamps, used by photographers. It is named after Rhenus, Latin for Rhine. [LM] {RW}