Lanthanide Metals Song Periodic Table

The video provides an overview of rare earth metals, specifically those numbered 57 to 71 on the periodic table. It details the properties, atomic numbers, and masses of each element, along with their primary uses. Lanthanum and Cerium are used in lighting and lighters, while Praseodymium and Neodymium are used in alloys and glass. Promethium is noted for potential battery use, and Samarium is used in lighting. Europium is reactive and absorbs neutrons, while Gadolinium is used in nuclear reactors. Holmium to Lutetium are discussed for their unique properties and uses in magnets, lasers, and more.

Explain the significance of Erbium in fiber optic cables.

What challenges are associated with preparing Lutetium?