Rhenium
Rhenium is a chemical element.  It has the chemical symbol Re.  It has the atomic number 75.  It is a rare noble metal.  It is silver white.  In chemistry it is placed in a group of metal elements called the transition metals.  The chemistry of rhenium is similar to manganese. Discovered in 1908, rhenium was the second-last stable element to be discovered ('stable' meaning not radioactive). It was named after the river Rhine in Europe.