Statements (46)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:isotope
|
gptkbp:application |
material testing
radiation therapy medical treatments nuclear reactors nuclear physics research neutron activation analysis radiography nuclear science education |
gptkbp:category |
actinide
|
gptkbp:color |
silvery-white
|
gptkbp:composed_by |
produced in nuclear reactors
produced by neutron capture produced from plutonium produced from uranium |
gptkbp:discovered_by |
gptkb:Glenn_T._Seaborg
|
gptkbp:discovery_year |
1950
|
gptkbp:dissolved |
soluble in acids
|
gptkbp:electronegativity |
[ Rn] 5f10 7s2
|
https://www.w3.org/2000/01/rdf-schema#label |
Californium-252
|
gptkbp:isotopes |
gptkb:Californium-253
gptkb:Californium-255 gptkb:Californium-254 gptkb:Californium-251 gptkb:Californium-250 gptkb:true 98 2.5 x 10^5 barns |
gptkbp:lifespan |
2.645 years
|
gptkbp:mass |
252
|
gptkbp:melting_point |
1470 ° C
900 ° C |
gptkbp:mode |
alpha decay
|
gptkbp:oxidation_states |
+3, +4
|
gptkbp:population_density |
15.1 g/cm³
|
gptkbp:safety |
environmental impact
radioactive toxicity handling precautions |
gptkbp:symbol |
Cf
|
gptkbp:uses |
gptkb:Supernova
|
gptkbp:was_a_response_to |
neutron bombardment
|
gptkbp:waste_management |
secure storage
radioactive waste management recycling of isotopes |
gptkbp:bfsParent |
gptkb:californium
|
gptkbp:bfsLayer |
6
|