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actinium (Q1121)

From Wikidata
chemical element with symbol Ac and atomic number 89
  • element 89
  • emanium
  • 89Ac
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Language Label Description Also known as
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Ac
    English
    actinium
    chemical element with symbol Ac and atomic number 89
    • element 89
    • emanium
    • 89Ac

    Statements

    Actinium sample (31481701837).png
    2,400 × 3,000; 8.24 MB
    actinium-225 sample in a vial (English)
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    1899
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    [Ac]
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    89
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    1.1
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    227.028 dalton
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    At Tokyo 2024 152.jpg
    4,032 × 3,024; 12.46 MB
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    Actinium
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    Actinium
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    Identifiers

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    actinium
    A radioactive element of the actinide series, occurring as a decay product of uranium. It is used as an alpha particle source and in neutron production. (English)
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