|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery-white metal
|
|
gptkbp:atomicNumber
|
11
|
|
gptkbp:atomicWeight
|
22.98976928
|
|
gptkbp:block
|
s-block
|
|
gptkbp:boilingPoint
|
883°C
|
|
gptkbp:CASNumber
|
7440-23-5
|
|
gptkbp:category
|
metal
element
alkali metal
|
|
gptkbp:crystalSystem
|
body-centered cubic
|
|
gptkbp:density
|
0.968 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Humphry_Davy
|
|
gptkbp:discoveredIn
|
1807
|
|
gptkbp:electronConfiguration
|
[Ne] 3s1
|
|
gptkbp:electronegativity
|
0.93 (Pauling scale)
|
|
gptkbp:foundIn
|
gptkb:salt
sea water
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Natrium
|
|
gptkbp:isotopes
|
Na-22
Na-23
Na-24
|
|
gptkbp:meltingPoint
|
97.79°C
|
|
gptkbp:nameOrigin
|
from Arabic 'natron'
|
|
gptkbp:oxidationStates
|
+1
|
|
gptkbp:period
|
3
|
|
gptkbp:reactsViolentlyWith
|
gptkb:water
|
|
gptkbp:relatedGroup
|
alkali metal
|
|
gptkbp:relatedTo
|
gptkb:sodium_sulfate
sodium chloride
sodium bicarbonate
sodium carbonate
sodium phosphate
sodium nitrate
sodium hydroxide
|
|
gptkbp:requires
|
living organisms (as sodium ion)
|
|
gptkbp:riskFactor
|
highly reactive
toxic in large amounts
can cause burns
|
|
gptkbp:stateAtRoomTemperature
|
gptkb:stone
|
|
gptkbp:storedUnder
|
oil or inert atmosphere
|
|
gptkbp:symbol
|
Na
|
|
gptkbp:uses
|
soap making
food industry (as sodium compounds)
heat transfer in nuclear reactors
manufacture of chemicals
production of sodium vapor lamps
|
|
gptkbp:英文名
|
Sodium
|
|
gptkbp:bfsParent
|
gptkb:Nano
|
|
gptkbp:bfsLayer
|
6
|