Rhenium (Re) is a chemical element with and atomic number (Z) 75, group 7, period 6, and atomic weight 186.207. The Rhenium (Re) is a silvery metal, very hard that resists corrosion but slowly tarnishes in moist air, used as an important component in superalloys for blades in turbine engines and this is the major use today. (Refer to the Chemical Element; Periodic Table)
