|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:allotropes
|
gptkb:grey_arsenic
gptkb:yellow_arsenic
black arsenic
|
|
gptkbp:appearance
|
metallic grey
|
|
gptkbp:atomicNumber
|
33
|
|
gptkbp:atomicWeight
|
74.92160
|
|
gptkbp:block
|
p-block
|
|
gptkbp:boilingPoint
|
sublimates
|
|
gptkbp:CASNumber
|
7440-38-2
|
|
gptkbp:category
|
gptkb:environmental_pollutant
gptkb:semimetal
gptkb:poisoning
pnictogen
|
|
gptkbp:crystalSystem
|
rhombohedral
|
|
gptkbp:density
|
5.727 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Albertus_Magnus
|
|
gptkbp:discoveredIn
|
1250
|
|
gptkbp:electronegativity
|
2.18
|
|
gptkbp:foundIn
|
gptkb:Germany
gptkb:arsenopyrite
minerals
orpiment
realgar
|
|
gptkbp:isCarcinogenic
|
true
|
|
gptkbp:isMetalloid
|
true
|
|
gptkbp:isotopes
|
gptkb:As-73
gptkb:As-74
gptkb:As-75
gptkb:As-76
gptkb:As-77
|
|
gptkbp:mainStableIsotope
|
gptkb:As-75
|
|
gptkbp:meltingPoint
|
817 K
|
|
gptkbp:namedAfter
|
Greek word 'arsenikon'
|
|
gptkbp:oxidationStates
|
+3
+5
-3
|
|
gptkbp:period
|
4
|
|
gptkbp:radioactive
|
gptkb:As-73
gptkb:As-74
gptkb:As-76
gptkb:As-77
|
|
gptkbp:regulates
|
gptkb:EPA
gptkb:WHO
|
|
gptkbp:regulationLimitInDrinkingWater
|
10 ppb
|
|
gptkbp:relatedGroup
|
15
|
|
gptkbp:riskFactor
|
H301
H330
H350
|
|
gptkbp:standardState
|
gptkb:stone
|
|
gptkbp:symbol
|
As
|
|
gptkbp:toxicity
|
true
|
|
gptkbp:UNNumber
|
1558
|
|
gptkbp:uses
|
pesticides
semiconductors
alloys
wood preservatives
|
|
gptkbp:bfsParent
|
gptkb:Walthamite
|
|
gptkbp:bfsLayer
|
4
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Arsenic
|