Jump to content

astatine

From Wiktionary, the free dictionary

English

[edit]
English Wikipedia has an article on:
Wikipedia
Chemical element (edit)
At
Atomic number 85
astatine
Classification data
Period 6
Group 17
Block p-block
Class halogen
Previous: ← polonium (Po)
Next: radon (Rn) →
English Wikipedia article on Astatine

Etymology

[edit]

    From Ancient Greek ἄστατος (ástatos, “unstable”) +‎ -ine.

    Pronunciation

    [edit]

    Noun

    [edit]

    astatine (countable and uncountable, plural astatines)

    1. (chemistry) A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.
      Synonyms: (proposed name) alabamine, (formerly) anglohelvetium
      • 2003, Bill Bryson, A Short History of Nearly Everything, BCA, page 221:
        Astatine, for instance, is practically unstudied. It has a name and a place on the periodic table (next to Marie Curie's polonium), but almost nothing else.
      1. (countable) An atom of this element.

    Hypernyms

    [edit]

    Derived terms

    [edit]

    Translations

    [edit]

    Anagrams

    [edit]