protactinium (Q1109)

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element with symbol Pa and atomic number of 91
  • Pa
  • element 91
  • 91Pa
  • protoactinium
  • brevium
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Language Label Description Also known as
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    English
    protactinium
    element with symbol Pa and atomic number of 91
    • Pa
    • element 91
    • 91Pa
    • protoactinium
    • brevium

    Statements

    image
    Protactinium-233.jpg
    3,200 × 2,542; 1,020 KB
    0 references
    mass
    231.03588±0.00001 dalton
    1 reference
    stated in
    Chemistry International
    title
    Standard Atomic Weights of 14 Chemical Elements Revised (English) (English)
    retrieved
    19 October 2020
    DOI
    10.1515/CI-2018-0409
    named after
    actinium
    0 references
    discoverer or inventor
    Kazimierz Fajans
    0 references
    Otto Hahn
    0 references
    Lise Meitner
    0 references
    time of discovery or invention
    1917
    0 references
    chemical formula
    Pa
    1 reference
    stated in
    PubChem
    PubChem CID
    23945
    language of work or name
    English
    title
    PROTACTINIUM (English)
    retrieved
    18 November 2016
    canonical SMILES
    [Pa]
    1 reference
    stated in
    PubChem
    PubChem CID
    23945
    language of work or name
    English
    title
    PROTACTINIUM (English)
    retrieved
    18 November 2016
    atomic number
    91
    0 references
    electronegativity
    2
    0 references
    plaque image
    At Tokyo 2024 150.jpg
    4,032 × 3,024; 12.21 MB
    0 references
    Commons gallery
    Protactinium
    0 references
    Commons category
    Protactinium
    0 references

    Identifiers

    Dewey Decimal Classification
    546.423
    0 references
    669.2924
    0 references
    InChI
    InChI=1S/Pa
    1 reference
    stated in
    PubChem
    PubChem CID
    23945
    language of work or name
    English
    title
    PROTACTINIUM (English)
    retrieved
    18 November 2016
    EC number
    616-087-9
    1 reference
    stated in
    ECHA Substance Infocard database
    ECHA Substance Infocard ID
    100.122.906
    retrieved
    27 December 2018
    title
    Protactinium (English)
    quotation
    CAS no.: 7440-13-3 (English)
    MeSH descriptor ID
    D011478
    subject named as
    Protactinium
    0 references
    MeSH tree code
    D01.268.271.100.725
    0 references
    D01.268.556.750
    0 references
    D01.552.020.778
    0 references
    D01.552.544.750
    0 references
    CAB ID
    7539
    1 reference
    stated in
    CAB Thesaurus
    retrieved
    6 April 2020
    Elhuyar ZTH ID
    030190
    0 references
    Lex ID
    protactinium
    0 references
    NALT ID
    3207
    0 references
    Treccani ID
    protoattinio
    subject named as
    protoattinio
    0 references
    USGS Thesaurus ID
    1547
    0 references
    WikiKids ID
    Protactinium
    0 references
    WordNet 3.1 Synset ID
    14675887-n
    1 reference
    stated in
    GF WordNet
     
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