|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery white
|
|
gptkbp:atomicNumber
|
38
|
|
gptkbp:atomicWeight
|
87.62
|
|
gptkbp:block
|
s-block
|
|
gptkbp:boilingPoint
|
1382°C
|
|
gptkbp:CASNumber
|
7440-24-6
|
|
gptkbp:category
|
gptkb:alkaline_earth_metals
chemical elements
|
|
gptkbp:crystalSystem
|
face-centered cubic
|
|
gptkbp:density
|
2.64 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:William_Cruickshank
gptkb:Adair_Crawford
|
|
gptkbp:discoveredIn
|
1790
|
|
gptkbp:electronConfiguration
|
[Kr] 5s2
|
|
gptkbp:electronegativity
|
0.95
|
|
gptkbp:foundIn
|
gptkb:United_Kingdom
minerals
|
|
gptkbp:hasBiologicalActivity
|
trace element in humans
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
strontium
|
|
gptkbp:isomerOf
|
gptkb:strontium-90
strontium-86
strontium-87
strontium-88
|
|
gptkbp:IUPACName
|
gptkb:strontium
|
|
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:phaseAtSTP
|
gptkb:stone
|
|
gptkbp:radioactive
|
gptkb:strontium-90
|
|
gptkbp:radioactiveIsotopeUse
|
radioisotope thermoelectric generators
|
|
gptkbp:relatedGroup
|
alkaline earth metal
|
|
gptkbp:riskFactor
|
flammable as powder
|
|
gptkbp:symbol
|
gptkb:Sr
|
|
gptkbp:thermalConductivity
|
35.0 W/(m·K)
|
|
gptkbp:toxicity
|
radioactive isotopes are hazardous
|
|
gptkbp:type
|
reacts with water
reacts with air
|
|
gptkbp:uses
|
gptkb:ceramics
gptkb:fireworks
medical imaging
ferrite magnets
|
|
gptkbp:bfsParent
|
gptkb:Salt_Waste_Processing_Facility
gptkb:Lovozero_Massif
gptkb:Strontium-82
gptkb:core-collapse_supernova
gptkb:alkaline_earth_metals
gptkb:Group_II
|
|
gptkbp:bfsLayer
|
6
|