|
gptkbp:instanceOf
|
gptkb:mole
|
|
gptkbp:appearance
|
pale blue (liquid and solid)
|
|
gptkbp:aroma
|
odorless
|
|
gptkbp:band
|
double bond
|
|
gptkbp:boilingPoint
|
-183.0 °C
|
|
gptkbp:bondLength
|
121 pm
|
|
gptkbp:CASNumber
|
7782-44-7
|
|
gptkbp:chemicalFormula
|
gptkb:O2
|
|
gptkbp:color
|
colorless
|
|
gptkbp:component
|
gptkb:Earth's_atmosphere
|
|
gptkbp:consistsOf
|
oxygen atom
|
|
gptkbp:criticalFor
|
154.6 K, 5.043 MPa
|
|
gptkbp:density
|
1.429 g/L (at 0°C, 1 atm)
|
|
gptkbp:discoveredBy
|
gptkb:Carl_Wilhelm_Scheele
gptkb:Joseph_Priestley
|
|
gptkbp:discoveredIn
|
1774
|
|
gptkbp:flavor
|
tasteless
|
|
gptkbp:foundIn
|
gptkb:water
air
living organisms
|
|
gptkbp:isotopicComposition
|
mainly 16O
|
|
gptkbp:IUPACName
|
dioxygen
|
|
gptkbp:magnetType
|
paramagnetic
|
|
gptkbp:meltingPoint
|
-218.8 °C
|
|
gptkbp:molecularWeight
|
31.9988 g/mol
|
|
gptkbp:numberOfCarbonAtoms
|
2
|
|
gptkbp:oxidationStates
|
0
|
|
gptkbp:paramagnetic
|
true
|
|
gptkbp:percentageInAtmosphere
|
~21%
|
|
gptkbp:producedBy
|
photosynthesis
|
|
gptkbp:PubChem_CID
|
977
|
|
gptkbp:requires
|
aerobic respiration
|
|
gptkbp:riskFactor
|
supports combustion
oxidizer
|
|
gptkbp:roleInBiology
|
essential for most life forms
|
|
gptkbp:roleInCombustion
|
supports combustion
|
|
gptkbp:solubility
|
slightly soluble
|
|
gptkbp:stateAtRoomTemperature
|
gptkb:gasoline
|
|
gptkbp:storage
|
compressed gas cylinders
|
|
gptkbp:transportation
|
gptkb:hazardous_material
|
|
gptkbp:type
|
carbon
hydrogen
metals
|
|
gptkbp:UNNumber
|
1072
|
|
gptkbp:usedIn
|
water treatment
medical breathing gas
welding
industrial processes
|
|
gptkbp:bfsParent
|
gptkb:Covalent_Bond
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Oxygen (O2)
|