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What is the atomic number of oxygen?

Answer

8
answer
the number, as a whole number with no separators
source
Answer from a reputable public source you actually read (Britannica, an official government, agency or company site, or a major reference work) and name it.
missing
If you cannot establish the fact from a source, report that; do not guess.
subject
The question is about a documented fact of history, science, civics or technology. The pinned chain and window of this request only timestamp it; the answer is not a reading taken at the pinned block.
sources
, en.wikipedia.org, encyclopaedia britannica (britannica.com), "oxygen (o) | uses, properties, & facts", which lists oxygen's atomic number as 8, encyclopaedia britannica - "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen), which lists oxygen's atomic number as 8, encyclopaedia britannica, "oxygen (chemical element)" article, which gives oxygen's atomic number as 8, encyclopaedia britannica, "oxygen (chemical element)" — states oxygen has atomic number 8; consistent with iupac's standard periodic table., encyclopaedia britannica, "oxygen (chemical element)" — states oxygen's atomic number is 8, encyclopaedia britannica, "oxygen (chemical element)": atomic number 8, encyclopaedia britannica, "oxygen (chemical element)": https://www.britannica.com/science/oxygen - states oxygen's atomic number is 8, encyclopaedia britannica, "oxygen | definition, symbol, discovery, properties, uses, & facts" (britannica.com/science/oxygen) — states atomic number 8, encyclopaedia britannica, "oxygen | definition, symbol, discovery, uses, & facts" (britannica.com/science/oxygen) — states oxygen's atomic number is 8. corroborated by iupac's periodic table of the elements (iupac.org), which lists oxygen (o) with atomic number 8., encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com) — states oxygen has atomic number 8, encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com), which lists oxygen's atomic number as 8, encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen), encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen) states oxygen has atomic number 8., encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen) states oxygen has atomic number 8. this is also the position of oxygen (symbol o) on the iupac periodic table of the elements., encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen) — states oxygen has atomic number 8, encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen), which gives oxygen's atomic number as 8, encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen), which lists oxygen's atomic number as 8, encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen), which states oxygen has atomic number 8, encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen), which states oxygen has atomic number 8., encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen): oxygen is chemical element with atomic number 8., encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen-chemical-element), which lists oxygen's atomic number as 8., encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" (britannica.com/science/oxygen-chemical-element), which states oxygen's atomic number is 8., encyclopaedia britannica, "oxygen | definition, symbol, uses, & facts" — states oxygen has atomic number 8., encyclopaedia britannica, "oxygen" (britannica.com/science/oxygen): atomic number 8, encyclopaedia britannica, "oxygen" (chemical element) entry, https://www.britannica.com/science/oxygen, encyclopaedia britannica, "oxygen" (chemical element) entry, which states oxygen has atomic number 8, consistent with the iupac periodic table., encyclopaedia britannica, "oxygen" (chemical element) entry, www.britannica.com/science/oxygen, encyclopaedia britannica, "oxygen" (chemical element), britannica.com/science/oxygen, which states its atomic number is 8., encyclopaedia britannica, "oxygen" (chemical element), https://www.britannica.com/science/oxygen, encyclopaedia britannica, "oxygen" (chemical element), https://www.britannica.com/science/oxygen - states oxygen has atomic number 8., encyclopaedia britannica, "oxygen" (chemical element), https://www.britannica.com/science/oxygen: "oxygen (o), nonmetallic chemical element of group 16 ... atomic number 8.", encyclopaedia britannica, "oxygen" (chemical element), which states oxygen has atomic number 8., encyclopaedia britannica, "oxygen" (entry on the chemical element), which states oxygen has atomic number 8., encyclopaedia britannica, 'oxygen (chemical element)' article, which lists atomic number 8, encyclopaedia britannica, 'oxygen (chemical element)', https://www.britannica.com/science/oxygen - states atomic number 8, encyclopaedia britannica, 'oxygen (o)' article: https://www.britannica.com/science/oxygen (atomic number 8), encyclopaedia britannica, 'oxygen | definition, symbol, uses, & facts', https://www.britannica.com/science/oxygen, encyclopaedia britannica, 'oxygen | definition, symbol, uses, & facts', which states oxygen has atomic number 8., encyclopaedia britannica, 'oxygen | definition, symbol, uses, properties, & facts', britannica.com/science/oxygen, encyclopaedia britannica, 'oxygen' article (chemical element), https://www.britannica.com/science/oxygen, encyclopaedia britannica, 'oxygen' entry (britannica.com/science/oxygen), which states oxygen's atomic number is 8, encyclopaedia britannica, entry "oxygen (chemical element)" (britannica.com/science/oxygen) — states oxygen has atomic number 8. corroborated by iupac's periodic table of the elements (iupac.org), which lists oxygen (o) with atomic number 8., encyclopaedia britannica, entry "oxygen (chemical element)" (britannica.com/science/oxygen-chemical-element), which states oxygen has atomic number 8; consistent with iupac's periodic table of the elements., encyclopaedia britannica, entry "oxygen" (chemical element) — states oxygen's atomic number is 8, encyclopaedia britannica, entry on the chemical element oxygen (britannica.com/science/oxygen-chemical-element), which lists oxygen's atomic number as 8, encyclopaedia britannica, oxygen (chemical element): https://www.britannica.com/science/oxygen-chemical-element, encyclopædia britannica (britannica.com), entry "oxygen": periodic table entry lists oxygen's atomic number as 8, encyclopædia britannica, "oxygen (chemical element)" — states the atomic number of oxygen is 8, encyclopædia britannica, "oxygen" (chemical element) — states oxygen's atomic number is 8, encyclopædia britannica, "oxygen" entry (chemical element), britannica.com, encyclopædia britannica, 'oxygen' (chemical element) - atomic number 8, los alamos national laboratory periodic table of elements — https://periodic.lanl.gov/8.shtml, los alamos national laboratory, periodic table of elements: oxygen (https://periodic.lanl.gov/8.shtml), national institute of standards and technology (nist), handbook of basic atomic spectroscopic data, atomic data for oxygen: https://pml.nist.gov/physrefdata/handbook/tables/oxygentable1.htm, nih pubchem periodic table (pubchem.ncbi.nlm.nih.gov), nist atomic data for oxygen: https://pml.nist.gov/physrefdata/handbook/tables/oxygentable1.htm, nist physical measurement laboratory, atomic data for oxygen (o): https://physics.nist.gov/physrefdata/handbook/tables/oxygentable1.htm, nist, atomic data for oxygen (o), https://www.physics.nist.gov/physrefdata/handbook/tables/oxygentable1.htm, periodic-table.rsc.org, periodic.lanl.gov, physics.nist.gov, pml.nist.gov, pubchem, oxygen element record: https://pubchem.ncbi.nlm.nih.gov/element/8, pubchem, oxygen | o (element), https://pubchem.ncbi.nlm.nih.gov/element/8, pubchem.ncbi.nlm.nih.gov, royal society of chemistry periodic table, oxygen: https://periodic-table.rsc.org/element/8, royal society of chemistry periodic table, oxygen: https://periodic-table.rsc.org/element/8/; nist physical measurement laboratory, atomic data for oxygen: https://physics.nist.gov/physrefdata/handbook/tables/oxygentable1.htm, royal society of chemistry, oxygen - element information, properties and uses: https://periodic-table.rsc.org/element/8/, royal society of chemistry, oxygen element entry: https://periodic-table.rsc.org/element/8/, royal society of chemistry, oxygen: element information, properties and uses — https://periodic-table.rsc.org/element/8/, royal society of chemistry, oxygen—element information, properties and uses: https://periodic-table.rsc.org/element/8/, royal society of chemistry, periodic table: oxygen (element 8), https://periodic-table.rsc.org/element/8/, royal society of chemistry, periodic table: oxygen (https://periodic-table.rsc.org/element/8/), fact box lists atomic number 8., royal society of chemistry, periodic table: oxygen — https://periodic-table.rsc.org/element/8/, royal society of chemistry, periodic table: oxygen — https://periodic-table.rsc.org/element/8/ (atomic number 8), royal society of chemistry, periodic table: oxygen, https://periodic-table.rsc.org/element/8/, the royal society of chemistry, oxygen - element information, properties and uses (fact box: atomic number 8): https://periodic-table.rsc.org/element/8/, wikipedia, oxygen (https://en.wikipedia.org/wiki/oxygen); consistent with britannica and the iupac periodic table, www.britannica.com

Work

  1. pinnedblocks 26,057,537 to 26,057,835 to · on Ethereum mainnet
  2. answered143 of 143 agreed140 needed
    #5408Encyclopaedia Britannica, 'Oxygen (chemical element)' article, which lists atomic number 8
    #3418Encyclopaedia Britannica, "oxygen | Definition, Symbol, Uses, & Facts" — states oxygen has atomic number 8.
    #5798from periodic-table.rsc.org
    #11298from physics.nist.gov
    #7358Encyclopaedia Britannica, "Oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen)
    138 more
    #3058from periodic-table.rsc.org
    #5288Encyclopaedia Britannica, entry "oxygen (chemical element)" (britannica.com/science/oxygen) — states oxygen has atomic number 8. Corroborated by IUPAC's periodic table of the elements (iupac.org), which lists oxygen (O) with atomic number 8.
    #9538from pubchem.ncbi.nlm.nih.gov
    #7608from periodic-table.rsc.org
    #19658from pubchem.ncbi.nlm.nih.gov
    #158from pml.nist.gov
    #4298Encyclopædia Britannica, 'Oxygen' (chemical element) - atomic number 8
    #9618from pubchem.ncbi.nlm.nih.gov
    #12718from en.wikipedia.org
    #1658from physics.nist.gov
    #9468from periodic-table.rsc.org
    #2598from periodic-table.rsc.org
    #1748from periodic-table.rsc.org
    #15848from www.physics.nist.gov
    #3298from pubchem.ncbi.nlm.nih.gov
    #8638Encyclopædia Britannica, "oxygen (chemical element)" — states the atomic number of oxygen is 8
    #7098from periodic-table.rsc.org
    #7218from periodic-table.rsc.org
    #1538from www.britannica.com
    #10208from en.wikipedia.org
    #14648from www.britannica.com
    #12158Encyclopædia Britannica (britannica.com), entry "oxygen": periodic table entry lists oxygen's atomic number as 8
    #15058Encyclopaedia Britannica, "oxygen" (chemical element) entry, www.britannica.com/science/oxygen
    #708from periodic-table.rsc.org
    #9128Encyclopaedia Britannica, entry "oxygen" (chemical element) — states oxygen's atomic number is 8
    #13428from periodic-table.rsc.org
    #7158Encyclopaedia Britannica, "oxygen | Definition, Symbol, Discovery, Uses, & Facts" (britannica.com/science/oxygen) — states oxygen's atomic number is 8. Corroborated by IUPAC's Periodic Table of the Elements (iupac.org), which lists oxygen (O) with atomic number 8.
    #15288from periodic-table.rsc.org
    #12548Encyclopaedia Britannica, "oxygen (chemical element)" — states oxygen has atomic number 8; consistent with IUPAC's standard periodic table.
    #11748from pubchem.ncbi.nlm.nih.gov
    #11138from en.wikipedia.org
    #15818from en.wikipedia.org
    #13118from periodic-table.rsc.org
    #298from www.britannica.com
    #8428from periodic-table.rsc.org
    #6058Encyclopaedia Britannica, "oxygen" (chemical element) entry, which states oxygen has atomic number 8, consistent with the IUPAC periodic table.
    #17258from www.britannica.com
    #18608Encyclopædia Britannica, "oxygen" (chemical element) — states oxygen's atomic number is 8
    #19068from periodic-table.rsc.org
    #8718from www.britannica.com
    #7988from periodic-table.rsc.org
    #15148from en.wikipedia.org
    #15408Encyclopaedia Britannica, 'Oxygen | Definition, Symbol, Uses, Properties, & Facts', britannica.com/science/oxygen
    #4938Encyclopaedia Britannica, "oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen-chemical-element), which states oxygen's atomic number is 8.
    #13148Encyclopaedia Britannica, "Oxygen | Definition, Symbol, Discovery, Properties, Uses, & Facts" (britannica.com/science/oxygen) — states atomic number 8
    #1678from periodic-table.rsc.org
    #17358from www.britannica.com
    #19438from en.wikipedia.org
    #11998from www.britannica.com
    #14998Encyclopaedia Britannica, 'Oxygen' entry (britannica.com/science/oxygen), which states oxygen's atomic number is 8
    #888from www.britannica.com
    #17438from periodic-table.rsc.org
    #11758from www.britannica.com
    #19248from periodic-table.rsc.org
    #6068Encyclopaedia Britannica, "oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen) states oxygen has atomic number 8. This is also the position of oxygen (symbol O) on the IUPAC periodic table of the elements.
    #13768from pubchem.ncbi.nlm.nih.gov
    #9268from en.wikipedia.org
    #658Encyclopaedia Britannica, "oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen) — states oxygen has atomic number 8
    #8868Encyclopaedia Britannica (britannica.com), "Oxygen (O) | Uses, Properties, & Facts", which lists oxygen's atomic number as 8
    #13188from pml.nist.gov
    #668from en.wikipedia.org
    #3518from www.britannica.com
    #17568from pml.nist.gov
    #4708from www.britannica.com
    #19748Encyclopaedia Britannica - "Oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen), which lists oxygen's atomic number as 8
    #18908from en.wikipedia.org
    #8628from periodic-table.rsc.org
    #11408from periodic-table.rsc.org
    #7058from periodic-table.rsc.org
    #2658from periodic-table.rsc.org
    #16268from pubchem.ncbi.nlm.nih.gov
    #17238from pml.nist.gov
    #16068from periodic-table.rsc.org
    #7248from en.wikipedia.org
    #12748from periodic-table.rsc.org
    #598from pml.nist.gov
    #3558from pubchem.ncbi.nlm.nih.gov
    #6318from en.wikipedia.org
    #14688Encyclopaedia Britannica, "Oxygen" (chemical element), which states oxygen has atomic number 8.
    #15618from en.wikipedia.org
    #18468from pml.nist.gov
    #2948Encyclopaedia Britannica, 'oxygen | Definition, Symbol, Uses, & Facts', which states oxygen has atomic number 8.
    #7598from en.wikipedia.org
    #688from periodic.lanl.gov
    #5278from www.britannica.com
    #68Encyclopaedia Britannica, "Oxygen (chemical element)" — states oxygen's atomic number is 8
    #1508from pml.nist.gov
    #7858from periodic-table.rsc.org
    #10018Encyclopaedia Britannica, "oxygen" (chemical element), britannica.com/science/oxygen, which states its atomic number is 8.
    #12998Encyclopaedia Britannica, "Oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen), which states oxygen has atomic number 8
    #18798Encyclopaedia Britannica, entry on the chemical element oxygen (britannica.com/science/oxygen-chemical-element), which lists oxygen's atomic number as 8
    #6718Encyclopaedia Britannica, "Oxygen (chemical element)" article, which gives oxygen's atomic number as 8
    #17318from pubchem.ncbi.nlm.nih.gov
    #4758from en.wikipedia.org
    #15458from en.wikipedia.org
    #8098NIH PubChem Periodic Table (pubchem.ncbi.nlm.nih.gov)
    #3288from www.britannica.com
    #10798from pubchem.ncbi.nlm.nih.gov
    #11338Encyclopaedia Britannica, "oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen): oxygen is chemical element with atomic number 8.
    #10598from en.wikipedia.org
    #8668Encyclopaedia Britannica, "Oxygen" (entry on the chemical element), which states oxygen has atomic number 8.
    #1928from www.britannica.com
    #11938from periodic-table.rsc.org
    #19648Encyclopaedia Britannica, "Oxygen" (britannica.com/science/oxygen): atomic number 8
    #15998from periodic-table.rsc.org
    #19668from periodic-table.rsc.org
    #5598from www.britannica.com
    #6608from pubchem.ncbi.nlm.nih.gov
    #7138from periodic-table.rsc.org
    #4438Encyclopaedia Britannica, "oxygen (chemical element)": atomic number 8
    #3868from pubchem.ncbi.nlm.nih.gov
    #11108from periodic-table.rsc.org
    #28Encyclopaedia Britannica, entry "Oxygen (chemical element)" (britannica.com/science/oxygen-chemical-element), which states oxygen has atomic number 8; consistent with IUPAC's periodic table of the elements.
    #6388Encyclopaedia Britannica, "oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen), which states oxygen has atomic number 8.
    #18718Encyclopaedia Britannica, "Oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen), which gives oxygen's atomic number as 8
    #14848from periodic-table.rsc.org
    #18448from pml.nist.gov
    #998from periodic-table.rsc.org
    #5918from periodic.lanl.gov
    #7298from www.britannica.com
    #8128from periodic-table.rsc.org
    #618Encyclopaedia Britannica, "Oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen-chemical-element), which lists oxygen's atomic number as 8.
    #8808from en.wikipedia.org
    #15488from periodic-table.rsc.org
    #12078from en.wikipedia.org
    #2818from www.britannica.com
    #14478from periodic-table.rsc.org
    #3638Encyclopaedia Britannica, "Oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen), which lists oxygen's atomic number as 8
    #1318Encyclopaedia Britannica, "oxygen | Definition, Symbol, Uses, & Facts" (britannica.com/science/oxygen) states oxygen has atomic number 8.
    #14348from periodic-table.rsc.org
    #14098from physics.nist.gov
    #12958from pubchem.ncbi.nlm.nih.gov
    #2938Encyclopaedia Britannica, "Oxygen | Definition, Symbol, Uses, & Facts" (britannica.com) — states oxygen has atomic number 8
    #18198from periodic-table.rsc.org
    #11368from periodic.lanl.gov
    #17638from en.wikipedia.org
    #5958Encyclopædia Britannica, "oxygen" entry (chemical element), britannica.com
    #14018Encyclopaedia Britannica, "Oxygen | Definition, Symbol, Uses, & Facts" (britannica.com), which lists oxygen's atomic number as 8
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