75

Re

Rhenium
186.207 (1)
 Historical Information

Discovery of rhenium is generally attributed to Walter Noddack, Ida Tacke-Noddack, and Otto Berg, who announced in 1925 they had detected the element in platinum ores and columbite.
Basic Information Shells
  • Name: Rhenium
  • Symbol: Re
  • Atomic number: 75
  • Atomic weight: 186.207 (1)
  • Standard state: solid at 298 K
  • Group in periodic table: 7
  • Group name:none
  • Period in periodic table: 6
  • Block in periodic table: d-block
  • Classification: Metallic
 rhenium
Uses Trivia
  • rhenium catalysts are exceptionally resistant to poisoning from nitrogen, sulphur, and phosphorus, and are used for hydrogenation of fine chemicals, hydrocracking, reforming, and the disproportionation of alkenes

Rhenium is silvery white with a metallic lustre; its density is exceeded only by that of platinum, iridium, and osmium, and its melting point is exceeded only by that of tungsten and carbon. It has other useful properties.