75 Re

Rhenium 186.207

Rhenium is used in:• exotic alloys• thermocouples • catalysts • rocket thrusters for small

satellites• rhenium wire is used in

flash photography• thermistors• used to treat restenosis

and liver tumours. • filaments

Rhenium Properties:• a dense high melting

silvery solid metal• has a mild reaction with

air• it has a very high density

of 21.04g/cm3• good high temperature

strength • has a silvery-white color

• Rhenium is named for Rhenus which is the Latin word for river Rhine

• The atomic number is 75• The chemical symbol is Re• Rhenium was discovered by

Walter Noddack, Ida Tacke and Otto Berg in 1925

• Rhenium metal does not normally cause problems but all rhenium compounds should be regarded as highly

• Rhenium is not found freely in nature

• It was discovered in the Rhine Region of Germany

• Among the rarest metals on earth

Rhenium

Properties

Catalyst

Uses

Filaments

Discovery

Found in the Rhine Region of Germany

discovered in 1925

silvery-white color

mild reaction with air

• http://www.chemicalelements.com/index.html www.azom.com/details.asp?ArticleID=1491

• http://chemistry.allinfoabout.com/periodic/periodictable.html• http://www.chemsoc.org/viselements/pages/pertable_fla.htm• http://www.webelements.com/webelements/scholar/elements/period

ic-table/uses.html• http://www.chemicool.com/• http://chemistry.about.com/library/blper5.htm• http://www.nndc.bnl.gov/content/elements.html