Less than two grams of astatine have ever been produced, making it one of the most rare elements on the periodic table. Young scientists discover aspects of the interesting element that most textbooks don't discuss. They learn about its discovery, properties, and theorized properties as episode 85 in a 118-part series on periodic elements.

Concepts

chemical elements, the periodic table

Show More Show Less

Additional Tags

science

Show More Show Less

Instructional Ideas

• Discuss in more detail why no one has ever seen astatine
• Research the other proposed names for this element and how researchers selected astatine 

Classroom Considerations

• Avoid displaying the comments when sharing the video

• This video is hosted on YouTube

Pros

• Provides subtitles in English and Polish for visual learners
• Professor shares his excitement about chemistry and research

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.4 RST.11-12.4