Bohr radius (Q652571)

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physical constant; the most probable distance between an electron and the nucleus in a nonrelativistic model of the hydrogen atom with infinitely heavy nucleus
Language Label Description Also known as
English
Bohr radius
physical constant; the most probable distance between an electron and the nucleus in a nonrelativistic model of the hydrogen atom with infinitely heavy nucleus

    Statements

    part of
    atomic units
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    named after
    Niels Bohr
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    ISQ dimension
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    unit symbol
    a₀ (English)
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    numeric value
    0.0000000000529177210903±0.000000000000000000008 metre
    1 reference
    stated in
    2018 CODATA recommended values
    defining formula
    1 reference
    stated in
    ISO 80000-10:2019 Quantities and units — Part 10: Atomic and nuclear physics
    section, verse, paragraph, or clause
    10-6
    in defining formula
    symbol represents
    Bohr radius
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    symbol represents
    pi
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    symbol represents
    permittivity of vacuum
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    symbol represents
    reduced Planck constant
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    symbol represents
    electron mass
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    symbol represents
    elementary charge
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    conversion to SI unit
    0.0000000000529177 metre
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    quantity symbol (LaTeX)
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    Wikidata SPARQL query equivalent
    wd:Q652571 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
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    Identifiers

    IUPAC Gold Book ID
    B00693
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    Lex ID
    Bohr-radius
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    Wolfram Language unit code
    "BohrRadius"
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