Lanthanides are a group of 15 chemical elements in the periodic table, ranging from lanthanum (atomic number 57) to lutetium (atomic number 71). These elements are known for their similar properties, including high melting points and the ability to form strong magnetic fields. They are often found together in nature, primarily in minerals like monazite and bastnasite.
These elements are widely used in various applications, such as in the production of strong permanent magnets, phosphors for LED lights, and catalysts in petroleum refining. Due to their unique electronic configurations, lanthanides play a crucial role in modern technology and materials science.