Renio

Rhenium is a chemical element with symbol Re and atomic number 75. It is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth’s crust.

Properties

• Phase: Solid
• Density: 21.02 g/cm³
• Melting Point: 3459 K
• Boiling Point: 5869 K

Uses