What Is the Rarest Thing in the World? Discovering Astatine
Explore why Astatine is considered the rarest naturally occurring element on Earth with less than 1 gram present at a time.
Focused topic
Focused short video answers connected to Astatine within Environmental Science.
Start here
One useful entry point into this topic.
Explore why Astatine is considered the rarest naturally occurring element on Earth with less than 1 gram present at a time.
Keep exploring
Focused questions, ordered by publication.
Explore the rarity of astatine, the rarest natural element on Earth, with only 25 grams found in the crust.
Discover Astatine, the rarest naturally occurring element on Earth, and learn about its unique properties and rarity.
Discover Astatine, the rarest naturally occurring element on Earth, with just under 1 gram present in the crust.
Learn about astatine, the rarest element on Earth, its properties, and where it can be found in minute quantities.