HyperDic: àstat

Català > 1 sentit de la paraula àstat:
NOMsubstanceàstata highly unstable radioactive element (the heaviest of the halogen series)
Català > àstat: 1 sentit > nom 1, substance
SentitA highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.
Generalelement, element químicAny 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
halogenAny of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
Anglèsastatine, At, atomic number 85
Espanyolastato, ástato, número atómico 85

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