Sam Ullman ↔ Web Developer

Rhenium


75

Re

Rhenium
186.20700
2
8
18
21
8
2

Source

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 the most abundant element in the Earth's crust.