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ATOMIC NUMBER 85
Dictionary entry overview: What does atomic number 85 mean?
• ATOMIC NUMBER 85 (noun)
The noun ATOMIC NUMBER 85 has 1 sense:
1. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
Familiarity information: ATOMIC NUMBER 85 used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
Classified under:
Nouns denoting substances
Synonyms:
astatine; At; atomic number 85
Hypernyms ("atomic number 85" is a kind of...):
chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
halogen (any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions)
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