|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery white
|
|
gptkbp:atomicNumber
|
38
|
|
gptkbp:atomicWeight
|
87.62
|
|
gptkbp:boilingPoint
|
1382°C
|
|
gptkbp:CASNumber
|
7440-24-6
|
|
gptkbp:category
|
metal
s-block element
reactive metal
|
|
gptkbp:crystalSystem
|
face-centered cubic
|
|
gptkbp:density
|
2.64 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Adair_Crawford
|
|
gptkbp:discoveredIn
|
1790
|
|
gptkbp:electronConfiguration
|
[Kr] 5s2
|
|
gptkbp:electronegativity
|
0.95
|
|
gptkbp:foundIn
|
gptkb:United_Kingdom
minerals
|
|
gptkbp:hasBiologicalActivity
|
no essential role in humans
|
|
gptkbp:healthEffect
|
can replace calcium in bones
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
STRONTIUM
|
|
gptkbp:isomerOf
|
84Sr
86Sr
87Sr
88Sr
|
|
gptkbp:magneticOrdering
|
paramagnetic
|
|
gptkbp:meltingPoint
|
777°C
|
|
gptkbp:mineralSource
|
gptkb:strontianite
celestine
|
|
gptkbp:molarHeatCapacity
|
26.4 J/(mol·K)
|
|
gptkbp:namedAfter
|
gptkb:Strontian
|
|
gptkbp:oxidationStates
|
+2
|
|
gptkbp:period
|
5
|
|
gptkbp:radioactive
|
90Sr
|
|
gptkbp:relatedGroup
|
2
alkaline earth metal
|
|
gptkbp:riskFactor
|
radioactive isotopes are hazardous
|
|
gptkbp:standardState
|
gptkb:stone
|
|
gptkbp:symbol
|
gptkb:Sr
|
|
gptkbp:thermalConductivity
|
35.0 W/(m·K)
|
|
gptkbp:type
|
gptkb:water
gptkb:halogens
oxygen
|
|
gptkbp:uses
|
gptkb:ceramics
gptkb:fireworks
glass production
medical imaging
flares
|
|
gptkbp:bfsParent
|
gptkb:APT28
gptkb:Fancy_Bear
|
|
gptkbp:bfsLayer
|
6
|