What is a column on the modern periodic table called?

Lanthanides: The lanthanides are a group of 15 elements located in the sixth period of the periodic table, below the main body of the table. They are commonly referred to as the "rare earth elements" and include elements with atomic numbers 57 to 71. The lanthanides are a series of transition metals with similar chemical properties and are often used in the production of magnets, high-tech ceramics, and electronic devices. These elements are known for their ability to emit light when exposed to certain conditions, making them valuable in various industries. The lanthanides are typically displayed separately below the main body of the periodic table due to their unique properties and position in the table.