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silicon (Q670)

From Wikidata
chemical element with symbol Si and atomic number 14
  • element 14
  • 14Si
Language Label Description Also known as
default for all languages
Si
    English
    silicon
    chemical element with symbol Si and atomic number 14
    • element 14
    • 14Si

    Statements

    image
    Image
    SiliconCroda.jpg
    1,046 × 727; 171 KB
    0 references
    IPA transcription
    ˈsɪləkən
    language of work or name
    English
    0 references
    ˈsɪləkɒn
    language of work or name
    English
    0 references
    time of discovery or invention
    1823
    0 references
    atomic number
    14
    0 references
    electron configuration
    1s² 2s² 2p⁶ 3s² 3p²
    0 references
    [Ne] 3s² 3p²
    0 references
    ionization energy
    8.15168±0.00003 electronvolt
    series ordinal
    1
    1 reference
    reference URL
    https://physics.nist.gov/asd
    title
    NIST Atomic Spectra Database, Ionization Energies (English)
    retrieved
    18 September 2026
    16.34585±0.00004 electronvolt
    series ordinal
    2
    1 reference
    reference URL
    https://physics.nist.gov/asd
    title
    NIST Atomic Spectra Database, Ionization Energies (English)
    retrieved
    18 September 2026
    33.493±0.00009 electronvolt
    series ordinal
    3
    1 reference
    reference URL
    https://physics.nist.gov/asd
    title
    NIST Atomic Spectra Database, Ionization Energies (English)
    retrieved
    18 September 2026
    electrical conductivity
    0.0005 siemens per metre
    temperature
    300 kelvin
    0 references
    specific heat capacity
    703.0 joule per kilogram kelvin
    1 reference
    ISBN-10
    3-7776-0736-3
    standard enthalpy of formation
    450.0 kilojoule per mole
    state of matter
    gas
    1 reference
    ISBN-13
    978-1-56396-820-4
    48.47 kilojoule per mole
    state of matter
    liquid
    1 reference
    ISBN-13
    978-1-56396-820-4
    density
    2.3290 gram per cubic centimetre
    temperature
    77±1 degree Fahrenheit
    1 reference
    NIOSH Pocket Guide ID
    0554
    melting point
    2,570±1 degree Fahrenheit
    1 reference
    NIOSH Pocket Guide ID
    0554
    boiling point
    4,271±1 degree Fahrenheit
    under pressure
    760±1 torr
    1 reference
    NIOSH Pocket Guide ID
    0554
    linear thermal expansion coefficient
    2.556 micrometre per metre kelvin
    temperature
    20 degree Celsius
    1 reference
    ISBN-13
    978-1-62708-155-9
    minimum explosive concentration
    160±1 gram per cubic metre
    1 reference
    NIOSH Pocket Guide ID
    0554
    NIOSH Pocket Guide ID
    0554
    0 references
    time-weighted average exposure limit
    10±1 milligram per cubic metre
    applies to jurisdiction
    no value
    duration
    10±1 hour
    1 reference
    NIOSH Pocket Guide ID
    0554
    15±1 milligram per cubic metre
    applies to jurisdiction
    United States
    duration
    8±1 hour
    1 reference
    NIOSH Pocket Guide ID
    0554
    mass
    28.085±0.001 dalton
    lower limit
    28.084 dalton
    upper limit
    28.086 dalton
    1 reference
    stated in
    Pure and Applied Chemistry
    title
    Standard atomic weights of the elements 2021 (IUPAC Technical Report) (English)
    retrieved
    6 May 2022
    DOI
    10.1515/PAC-2019-0603
    schematic
    Image
    Silicon-unit-cell-3D-balls.png
    1,100 × 1,050; 341 KB
    0 references
    Image
    Electron shell 014 Silicon - no label.svg
    1,200 × 1,200; 2 KB
    0 references
    different from
    silicone
    0 references
    native silicon
    0 references
    Commons category
    Silicon
    0 references
    atomic radius
    110 picometre
    1 reference
    DOI
    10.1063/1.1725697
    retrieved
    3 October 2026
    covalent radius
    111 picometre
    1 reference
    DOI
    10.1039/B801115J
    retrieved
    3 October 2026
    Van der Waals radius
    210 picometre
    1 reference
    DOI
    10.1021/J100785A001
    retrieved
    3 October 2026

    Identifiers

    NCI Thesaurus ID
    C84589
    0 references
    NDL Authority ID
    00565390
    0 references
    NL CR AUT ID
    ph122083
    subject named as
    křemík
    0 references
    SureChEMBL ID
    COD ID
    4507226
    0 references
    ICSC ID
    1508
    0 references
    CAMEO Chemicals ID
    4438
    0 references
    RTECS number
    VW0400000
    0 references
    HSDB ID
    5033
    1 reference
    stated in
    Hazardous Substances Data Bank
    HSDB ID
    5033
    publication date
    28 October 2019
    title
    Silicon, Elemental (English)
    retrieved
    10 May 2021
    CosIng number
    96140
    1 reference
    stated in
    CosIng database
    CosIng number
    96140
    retrieved
    28 December 2019
    title
    SILICON (English)
    quotation
    CAS no.: 7440-21-3 (English)
    KEGG ID
    C06263
    0 references
    Arabic Ontology lexical concept ID
    151078533
    subject named as
    silicon | atomic number 14 | Si
    scope note
    a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors (English)
    0 references
    FOLDOC ID
    silicon
    0 references
    Freebase ID
    /m/025sf80
    0 references
    KBpedia ID
    Silicon
    1 reference
    stated in
    KBpedia
    retrieved
    9 July 2020
    LEM ID
    LEM201008365
    0 references
    Lex ID
    silicium
    0 references
    NALT ID
    55167
    0 references
    Namuwiki ID
    규소
    0 references
    PSH ID
    5797
    0 references
    Treccani ID
    silicio
    subject named as
    silicio
    0 references
    UNSPSC code
    12141911
    0 references
    USGS Thesaurus ID
    1575
    0 references
    WordNet 3.1 Synset ID
    14678720-n
    subject named as
    silicon, atomic number 14, Si
    scope note
    a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors (English)
    0 references
    YSO ID
    15609
    subject named as (monolingual text)
    kisel (Swedish)
    silicon (English)
    pii (Finnish)
    1 reference
    stated in
    YSO-Wikidata mapping project
     
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