astatine
noun
Pronunciation: ˈæstətiːn
Definition
A highly radioactive, unstable chemical element with the symbol At and atomic number 85, belonging to the halogen group.
Examples
Scientists have struggled to study the chemical properties of astatine due to its extremely short half-life.
Astatine is rarely found in nature because it decays into other elements almost as soon as it is formed.
Researchers use particle accelerators to synthesize small amounts of astatine for medical and scientific research.
Synonyms of astatine
Words with a similar meaning to astatine:
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