|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:bfsLayer
|
5
|
|
gptkbp:bfsParent
|
gptkb:Mr._Rhenium
|
|
gptkbp:accessories
|
limited sources
by-product of molybdenum mining
recycling from spent catalysts
|
|
gptkbp:availability
|
rare
|
|
gptkbp:block
|
d-block
|
|
gptkbp:category
|
transition metal
|
|
gptkbp:color
|
silvery-white
|
|
gptkbp:cooling_system
|
48 W/(m· K)
|
|
gptkbp:difficulty
|
4.5
|
|
gptkbp:discovered_by
|
gptkb:government_agency
gptkb:Walter_Noddack
|
|
gptkbp:ecological_role
|
none known
|
|
gptkbp:electronegativity
|
1.9
|
|
gptkbp:historical_period
|
gptkb:6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Rhenium
|
|
gptkbp:isotopes
|
gptkb:75
Re-185
Re-187
|
|
gptkbp:market
|
high demand in electronics
high demand in aerospace
high demand in petrochemicals
|
|
gptkbp:material
|
molybdenum
nickel
tungsten
|
|
gptkbp:melting_point
|
3186 ° C
5596 ° C
|
|
gptkbp:members
|
gptkb:television_series
|
|
gptkbp:occurs_in
|
copper ores
molybdenite
|
|
gptkbp:origin
|
Rhenus (Latin for Rhine River)
|
|
gptkbp:population
|
21.02 g/cm³
|
|
gptkbp:price
|
high
volatile
|
|
gptkbp:produced_by
|
extraction from ores
|
|
gptkbp:research
|
nuclear reactors
high-temperature superconductors
catalytic converters
spacecraft propulsion
|
|
gptkbp:safety_features
|
non-toxic
not classified as hazardous
|
|
gptkbp:social_structure
|
+1
+2
+5
+3
hexagonal close-packed
+4
|
|
gptkbp:symbol
|
Re
|
|
gptkbp:type_of
|
7440-15-5
|
|
gptkbp:uses
|
gptkb:hospital
thermocouples
catalysts
superalloys
|
|
gptkbp:water_resistance
|
1.6 μΩ·m
|
|
gptkbp:year_created
|
1925
|