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.

Which rare earth metal is primarily used in carbon arc lights for studio lighting?

• Lanthanum

• Promethium

• Cerium

• Neodymium

What is the primary use of Praseodymium?

• Motion picture arc lighting

• Alloying agent for high-strength metals

• Dopant in fiber optic cables

• Magnetic properties in magnets

Which rare earth metal is known for being the most reactive and a good absorber of neutrons?

• Europium

• Gadolinium

• Samarium

• Terbium

Which element is used as a doping agent in fiber optic cables?

• Lutetium

• Ytterbium

• Thulium

• Erbium

Which rare earth metal is the least abundant and used to create lasers?

• Ytterbium

• Erbium

• Holmium

• Thulium