|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:application
|
gptkb:space_mission
nuclear medicine
neutron activation analysis
radiography
nuclear waste management
research reactors
oil well logging
|
|
gptkbp:category
|
actinide
|
|
gptkbp:color
|
silvery
|
|
gptkbp:composed_by
|
nuclear reactions
|
|
gptkbp:composed_of
|
reacts with halogens
reacts with acids
forms oxides
reacts with oxygen
|
|
gptkbp:cooling_system
|
0.1 W/(m· K)
|
|
gptkbp:discovered_by
|
gptkb:Glenn_T._Seaborg
|
|
gptkbp:discovery
|
gptkb:University_of_California,_Berkeley
neutron bombardment
|
|
gptkbp:discovery_year
|
1950
|
|
gptkbp:dissolved
|
insoluble
|
|
gptkbp:electronegativity
|
[ Rn] 5f10 7s2
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
californium
|
|
gptkbp:isotopes
|
gptkb:Californium-252
gptkb:Californium-253
gptkb:Californium-251
gptkb:Californium-250
gptkb:true
98
|
|
gptkbp:lifespan
|
351 years (Cf-250)
2.645 years (Cf-251)
2.65 years (Cf-252)
898 years (Cf-249)
|
|
gptkbp:market_position
|
limited
|
|
gptkbp:melting_point
|
1470 ° C
900 ° C
|
|
gptkbp:named_after
|
gptkb:California
|
|
gptkbp:notable_conductors
|
metallic
|
|
gptkbp:occurs_in
|
synthetic
|
|
gptkbp:oxidation_states
|
+3, +4
|
|
gptkbp:population_density
|
15.1 g/cm³
|
|
gptkbp:precursors
|
gptkb:berkelium
|
|
gptkbp:price
|
expensive
|
|
gptkbp:produces
|
neutron bombardment of curium
|
|
gptkbp:safety
|
toxic
|
|
gptkbp:safety_measures
|
shielding required
|
|
gptkbp:storage
|
in inert atmosphere
|
|
gptkbp:structure
|
face-centered cubic
|
|
gptkbp:symbol
|
Cf
|
|
gptkbp:uses
|
gptkb:Supernova
nuclear reactors
medical applications
|
|
gptkbp:bfsParent
|
gptkb:Mendeleev's_Periodic_Table
|
|
gptkbp:bfsLayer
|
5
|