|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:applications_in_industry
|
used in radiation therapy
used in oil well logging
|
|
gptkbp:applications_in_research
|
used in neutron activation analysis
used in nuclear science
|
|
gptkbp:availability
|
synthetic
|
|
gptkbp:average_temperature
|
gptkb:solid
|
|
gptkbp:casnumber
|
7440-71-3
|
|
gptkbp:category
|
actinide
|
|
gptkbp:color
|
silvery
|
|
gptkbp:color_in_flame
|
gptkb:green
|
|
gptkbp:composed_by
|
gptkb:californium-251
gptkb:californium-249
gptkb:californium-250
gptkb:californium-253
gptkb:californium-256
gptkb:californium-257
gptkb:californium-258
gptkb:californium-259
gptkb:californium-260
gptkb:californium-261
gptkb:californium-262
gptkb:californium-263
gptkb:californium-264
gptkb:californium-265
gptkb:californium-266
gptkb:californium-267
gptkb:californium-268
gptkb:californium-269
gptkb:californium-270
gptkb:californium-271
gptkb:californium-254
neutron bombardment
californium-255
californium-272
californium-273
californium-274
californium-275
californium-276
californium-277
californium-278
californium-279
californium-280
californium-281
californium-282
californium-283
californium-284
californium-285
californium-286
californium-287
californium-288
californium-289
californium-290
californium-291
californium-292
californium-293
californium-294
californium-295
californium-296
californium-297
californium-298
californium-299
californium-300
plutonium target
|
|
gptkbp:composed_of
|
reacts with halogens
reacts with acids
reacts with oxygen
forms compounds with sulfur
|
|
gptkbp:cooling_system
|
12 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
|
1.3
[ Rn] 5f10 7s2
|
|
gptkbp:environmental_impact
|
radioactive waste concerns
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Californium
|
|
gptkbp:is_set_in
|
gptkb:americium
gptkb:curium
gptkb:einsteinium
gptkb:berkelium
gptkb:fermium
gptkb:mendelevium
lawrencium
|
|
gptkbp:isotopes
|
gptkb:Californium-252
gptkb:Californium-253
gptkb:Californium-251
gptkb:true
98
Californium-246
|
|
gptkbp:lifespan
|
2.645 years
|
|
gptkbp:melting_point
|
1470 ° C
900 ° C
|
|
gptkbp:members
|
f-block
|
|
gptkbp:mode
|
gptkb:beta_decay
alpha decay
|
|
gptkbp:named_after
|
gptkb:California
|
|
gptkbp:notable_conductors
|
poor
|
|
gptkbp:oxidation_states
|
+2
+3
|
|
gptkbp:period
|
gptkb:7
|
|
gptkbp:population_density
|
15.1 g/cm³
|
|
gptkbp:power_source
|
6.3 e V
|
|
gptkbp:price
|
very expensive
|
|
gptkbp:safety
|
radioactive handling required
|
|
gptkbp:safety_measures
|
shielding required
|
|
gptkbp:storage
|
must be stored in lead containers
|
|
gptkbp:structure
|
face-centered cubic
|
|
gptkbp:symbol
|
Cf
|
|
gptkbp:uses
|
gptkb:Supernova
nuclear reactors
medical applications
|
|
gptkbp:waste_management
|
must follow radioactive waste protocols
|
|
gptkbp:bfsParent
|
gptkb:Periodic_Table_of_Elements
|
|
gptkbp:bfsLayer
|
7
|