 | Rhenium is a chemical element; it has symbol Re and atomic number 75. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic... 43 KB (4,918 words) - 17:22, 27 April 2024 |
 | Rhenium diboride (redirect from Renium diboride) Rhenium diboride (ReB2) is a synthetic high-hardness material that was first synthesized in 1962. The compound is formed from a mixture of rhenium, noted... 11 KB (1,052 words) - 18:55, 27 April 2024 |