|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:abundanceInAtmosphere
|
~0.93% by volume
|
|
gptkbp:appearance
|
colorless gas
|
|
gptkbp:atomicNumber
|
18
|
|
gptkbp:atomicWeight
|
39.948
|
|
gptkbp:block
|
p-block
|
|
gptkbp:boilingPoint
|
87.30 K
|
|
gptkbp:CASNumber
|
7440-37-1
|
|
gptkbp:category
|
noble gas
|
|
gptkbp:crystalSystem
|
face-centered cubic
|
|
gptkbp:density
|
1.784 g/L (at 0°C, 1 atm)
|
|
gptkbp:discoveredBy
|
gptkb:Lord_Rayleigh
gptkb:Sir_William_Ramsay
|
|
gptkbp:discoveredIn
|
1894
|
|
gptkbp:electronConfiguration
|
[Ne] 3s2 3p6
|
|
gptkbp:electrons
|
18
|
|
gptkbp:firstIonizationEnergy
|
1520.6 kJ/mol
|
|
gptkbp:flammability
|
non-flammable
|
|
gptkbp:frequency
|
emits blue, green, and red light in discharge tubes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Argon (element)
|
|
gptkbp:isotopes
|
gptkb:36Ar
gptkb:38Ar
gptkb:40Ar
|
|
gptkbp:IUPACName
|
gptkb:argon
|
|
gptkbp:meltingPoint
|
83.80 K
|
|
gptkbp:molarHeatCapacity
|
20.85 J/(mol·K)
|
|
gptkbp:nameOrigin
|
Greek 'argos' meaning 'inactive'
|
|
gptkbp:neutrons
|
22 (most abundant isotope)
|
|
gptkbp:oxidationStates
|
0
|
|
gptkbp:period
|
3
|
|
gptkbp:phaseAtSTP
|
gptkb:gasoline
|
|
gptkbp:positionInPeriodicTable
|
rightmost column
|
|
gptkbp:protons
|
18
|
|
gptkbp:radioactive
|
gptkb:37Ar
gptkb:39Ar
|
|
gptkbp:relatedGroup
|
18
|
|
gptkbp:relatedTo
|
argon fluorohydride (HArF)
|
|
gptkbp:solubility
|
0.0562 g/L at 20°C
|
|
gptkbp:source
|
fractional distillation of liquid air
|
|
gptkbp:standardState
|
gptkb:gasoline
|
|
gptkbp:stateAtRoomTemperature
|
gptkb:gasoline
|
|
gptkbp:symbol
|
gptkb:Ar
|
|
gptkbp:thermalConductivity
|
17.72 mW/(m·K) at 300 K
|
|
gptkbp:toxicity
|
non-toxic
|
|
gptkbp:type
|
chemically inert
|
|
gptkbp:uses
|
filling incandescent and fluorescent light bulbs
shielding gas in welding
inert atmosphere for growing silicon and germanium crystals
|
|
gptkbp:bfsParent
|
gptkb:Argon_18_bicycles
|
|
gptkbp:bfsLayer
|
8
|