Rare-earth element - Wikipedia
The rare-earth elements (REE), also called the rare-earth metals or rare earths, and sometimes the lanthanides or lanthanoids (although scandium and yttrium, which do not belong to this …
What are rare earth elements, and why are they important?
The rare earth elements (REE) are a set of seventeen metallic elements. These include the fifteen lanthanides on the periodic table plus scandium and yttrium. Rare earth elements are an …
REE - Rare Earth Elements - Metals, Minerals, Mining, Uses
What Are Rare Earth Elements (REEs)? Rare earth elements are a group of seventeen chemical elements that occur together in the periodic table (see image).
Rare Earth Elements - Department of Energy
Rare earth elements (REEs), which comprise of only 17 elements from the entire periodic table, play a critical role to our national security, energy independence, environmental future, and …
Rare Earth Elements (REE) | U.S. Geological Survey - USGS.gov
Jun 30, 2025 · The rare earth elements (REEs) are a group of metals with unique physical and chemical properties that are critical to a variety of technological applications. For example, …
Rare Earth Elements – A Subset of Critical Minerals
Rare earth elements (REEs)—a subset of critical minerals and materials (Figure 1)—are essential materials in a broad range of technologies significant to national security, energy systems, …
Rare-earth element | Uses, Properties, & Facts | Britannica
Jun 26, 2025 · rare-earth element, any member of the group of chemical elements consisting of three elements in Group 3 (scandium [Sc], yttrium [Y], and lanthanum [La]) and the first …