Atomic Number 85 (Noun)
Meaning
A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.
Classification
Nouns denoting substances.
Examples
- Astatine's atomic number 85 makes it a highly radioactive and highly reactive element.
- The atomic number 85 of astatine is responsible for its highly unstable nature.
- Scientists have been studying the properties of atomic number 85, astatine, for decades.
- Astatine, with its atomic number 85, is the heaviest and most radioactive of the halogen series.
- The discovery of atomic number 85 led to a greater understanding of the halogen series and its properties.