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oxygen
chemical element with symbol O and atomic number 8
Details
- Instance of
- chemical element, lithophile element
- Subclass of
- group 16, oxidizing agent
- Has parts
- oxygen atom
- atomic number
- 8
- boiling point
- 90.15
- chemical formula
- O
- density
- 1804.13
- described by source
- Armenian Soviet Encyclopedia, Brockhaus and Efron Encyclopedic Dictionary, Small Brockhaus and Efron Encyclopedic Dictionary, The Nuttall Encyclopædia, Meyers Konversations-Lexikon, 4th edition (1885–1890), Encyclopædia Britannica 11th edition
- discoverer or inventor
- Carl Wilhelm Scheele, Joseph Priestley
- electron configuration
- [He] 2s² 2p⁴, 1s² 2s² 2p⁴
- electronegativity
- 3.44
- element symbol
- O
- frequency
- 60
- has characteristic
- colorlessness, tastelessness, odorlessness, paramagnetism
- has use
- food additive
- ionic radius
- 142, 1.21, 1.40
- ionization energy
- 1313.9, 3388.3, 5300.5, 7469.2
- mass
- 15.999
- melting point
- 54.8
- named after
- acid
- opposite of
- phlogiston
- oxidation state
- -2, -1, 1, 2
- permanent duplicated item
- Q27136445
- radius
- 60, 73, 152, 48
- specific heat capacity
- 920.0
- speed of sound
- 317.5
- standard enthalpy of formation
- 249.18
- standard molar entropy
- 161.059
- thermal conductivity
- 0.02658
- time of discovery or invention
- 1771, 1774
- topic's main category
- Category:Oxygen
- Unicode character
- 氧
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