|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery-white
|
|
gptkbp:atomicNumber
|
52
|
|
gptkbp:atomicWeight
|
127.60
|
|
gptkbp:block
|
p-block
|
|
gptkbp:boilingPoint
|
988°C
|
|
gptkbp:CASNumber
|
13494-80-9
|
|
gptkbp:category
|
metalloid
|
|
gptkbp:countryOfOrigin
|
gptkb:Canada
gptkb:China
gptkb:Japan
gptkb:Peru
gptkb:Russia
|
|
gptkbp:crystalSystem
|
hexagonal
|
|
gptkbp:density
|
6.24 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Franz-Joseph_Müller_von_Reichenstein
|
|
gptkbp:discoveredIn
|
1782
|
|
gptkbp:electricalConductivity
|
2.5 × 10^4 S/m
|
|
gptkbp:electronConfiguration
|
[Kr] 4d10 5s2 5p4
|
|
gptkbp:electronegativity
|
2.1
|
|
gptkbp:foundIn
|
copper ores
gold ores
|
|
gptkbp:hardnessMohs
|
2.25
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Tellurium
|
|
gptkbp:isotopes
|
130Te
120Te
122Te
123Te
124Te
125Te
126Te
128Te
|
|
gptkbp:meltingPoint
|
449.51°C
|
|
gptkbp:namedAfter
|
Latin word 'tellus' (earth)
|
|
gptkbp:naturalOccurrence
|
rare in Earth's crust
|
|
gptkbp:oxidationStates
|
+2
+6
+4
-2
|
|
gptkbp:period
|
5
|
|
gptkbp:phaseAtSTP
|
gptkb:stone
|
|
gptkbp:radioactive
|
some isotopes are weakly radioactive
|
|
gptkbp:relatedGroup
|
16
|
|
gptkbp:symbol
|
Te
|
|
gptkbp:thermalConductivity
|
2.35 W/m·K
|
|
gptkbp:toxicity
|
toxic in large amounts
|
|
gptkbp:uses
|
semiconductors
solar panels
vulcanization of rubber
alloys
thermoelectric devices
|
|
gptkbp:bfsParent
|
gptkb:Cadmium_Telluride
|
|
gptkbp:bfsLayer
|
6
|