oxygen (Q629)

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chemical element, symbol O and atomic number 8
  • O
  • element 8
  • 8O
  • oxygen atom
Language Label Description Also known as
English
oxygen
chemical element, symbol O and atomic number 8
  • O
  • element 8
  • 8O
  • oxygen atom

Statements

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15.999±0.001 dalton
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6 May 2022
Standard atomic weights of the elements 2021 (IUPAC Technical Report) (English)
1771
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1774
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[He] 2s² 2p⁴
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1s² 2s² 2p⁴
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142 picometre
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1.21 ångström
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1.40 ångström
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1,313.9 kilojoule per mole
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3,388.3 kilojoule per mole
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5,300.5 kilojoule per mole
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7,469.2 kilojoule per mole
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Oxygen
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Identifiers

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1 reference
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18 November 2018
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14672278-n
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