This is an alert ×
Showing results - 1 to 2 of 2
The lanthanide series
55:21

The lanthanide series

Formerly called rare-earth elements, the lanthanides are neither rare in abundance nor, strictly speaking, are they "earth." Segments in this program include Exploring the Lanthanide Series (properties of the lanthanides); Lanthanum: Movie Magic (ho...

The periodic table
23:47

The periodic table

Much more than a list of elements, the periodic table is a snapshot of how matter is organized on Earth and throughout the universe. Divided into five sections, this program looks at the history and components of the periodic table: The History of t...