Rhenium (Re) — Element Properties, Uses & Facts
Overview
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.
Electron configuration
The electron configuration of Rhenium is [Xe] 4f14 5d5 6s2, with electron shells of 2, 8, 18, 32, 13, 2.
Physical and chemical properties
Rhenium is classified as a transition metal. It has an atomic mass of 186.207 and exists as a solid at standard conditions, appearing as silvery-grayish.
Real-world uses of Rhenium
As a transition metal, Rhenium is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.
Interesting facts about Rhenium
- Rhenium has the atomic number 75 and chemical symbol Re.
- It belongs to period 6, group 7 of the periodic table.
- Rhenium was discovered by Masataka Ogawa.
Explore Rhenium interactively
Want to compare Rhenium with other elements or see it highlighted on the full table? Open the interactive periodic table and click on Re to explore properties, trends, and neighboring elements. You can also test your knowledge with our periodic table quiz game.
What is Rhenium used for?
As a transition metal, Rhenium is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.
What is the atomic number of Rhenium?
The atomic number of Rhenium is 75, meaning it has 75 protons in its nucleus.
What is the electron configuration of Rhenium?
The electron configuration of Rhenium is [Xe] 4f14 5d5 6s2.
Is Rhenium a metal, nonmetal, or metalloid?
Rhenium is classified as a transition metal.