A sealed quartz capsule revealing a faint violet-blue glow from astatine's intense radioactivity ionizing trace gas
A short silent video about Astatine (At), element 85, halogen. Astatine is the rarest naturally occurring element on Earth, with less than 30 grams existing at any time.
More Astatine videos
- A sealed quartz capsule revealing a faint violet-blue glow from astatine's intense radioactivity ionizing trace gas (this video)
Explore Astatine: facts, properties and a 3D atom · Back to the periodic table