|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:allotropes
|
ozone
atomic oxygen
dioxygen
|
|
gptkbp:appearance
|
gptkb:gasoline
|
|
gptkbp:atomicNumber
|
8
|
|
gptkbp:atomicWeight
|
15.999
|
|
gptkbp:block
|
p-block
|
|
gptkbp:boilingPoint
|
90.20 K
|
|
gptkbp:CASNumber
|
7782-44-7
|
|
gptkbp:category
|
diatomic molecule
nonmetal
chalcogen
life-essential element
|
|
gptkbp:color
|
colorless
|
|
gptkbp:component
|
gptkb:bar
gptkb:water
ozone
oxides
|
|
gptkbp:crystalSystem
|
cubic
|
|
gptkbp:density
|
1.429 g/L (at 0°C, 1 atm)
|
|
gptkbp:discoveredBy
|
gptkb:Carl_Wilhelm_Scheele
gptkb:Joseph_Priestley
|
|
gptkbp:discoveredIn
|
1774
|
|
gptkbp:electronConfiguration
|
[He] 2s2 2p4
|
|
gptkbp:electronegativity
|
3.44
|
|
gptkbp:firstIonizationEnergy
|
1313.9 kJ/mol
|
|
gptkbp:flammability
|
supports combustion
|
|
gptkbp:foundIn
|
gptkb:Earth's_oceans
gptkb:Earth's_atmosphere
Earth's crust
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Oxygen
|
|
gptkbp:isotopes
|
gptkb:O-16
gptkb:O-17
gptkb:O-18
|
|
gptkbp:IUPACName
|
oxygen
|
|
gptkbp:magneticOrdering
|
paramagnetic
|
|
gptkbp:meltingPoint
|
54.36 K
|
|
gptkbp:molecularForm
|
gptkb:O2
|
|
gptkbp:mostStableIsotope
|
gptkb:O-16
|
|
gptkbp:namedFor
|
gptkb:Antoine_Lavoisier
|
|
gptkbp:nameOrigin
|
Greek 'oxys' (acid) and 'genes' (producer)
|
|
gptkbp:oxidationStates
|
+1
+2
0
-1
-2
|
|
gptkbp:percentageInAtmosphere
|
20.95%
|
|
gptkbp:period
|
2
|
|
gptkbp:phaseAtSTP
|
gptkb:gasoline
|
|
gptkbp:reactions
|
combines with hydrogen to form water
forms oxides with most elements
forms ozone under UV light
|
|
gptkbp:relatedGroup
|
16
|
|
gptkbp:requires
|
aerobic respiration
|
|
gptkbp:riskFactor
|
can cause fire/explosion
can cause oxygen toxicity
|
|
gptkbp:roleInBiology
|
essential for most life forms
|
|
gptkbp:roleInIndustry
|
water treatment
chemical synthesis
medical breathing gas
rocket propellant
steelmaking
|
|
gptkbp:solubility
|
slightly soluble
|
|
gptkbp:solubilityInSeawater
|
higher than in freshwater
|
|
gptkbp:standardState
|
gptkb:gasoline
|
|
gptkbp:storage
|
compressed gas cylinders
liquid oxygen tanks
|
|
gptkbp:symbol
|
O
|
|
gptkbp:thermalConductivity
|
0.02658 W/(m·K)
|
|
gptkbp:toxicity
|
toxic at high concentrations
|
|
gptkbp:UNNumber
|
1072
|
|
gptkbp:uses
|
gptkb:medicine
gptkb:chemical_industry
aquaculture
space exploration
water purification
cutting metals
respirators
rocket fuel oxidizer
welding
|
|
gptkbp:bfsParent
|
gptkb:Carl_Djerassi
gptkb:Walthamite
gptkb:Gills
|
|
gptkbp:bfsLayer
|
4
|