gptkbp:instance_of
|
gptkb:chemical_compound
|
gptkbp:application
|
neutron sources
radiography
medical isotopes
research reactors
space batteries
|
gptkbp:category
|
actinide
|
gptkbp:color
|
silvery-white
|
gptkbp:composed_of
|
metallic
|
gptkbp:discovered_by
|
gptkb:Glenn_T._Seaborg
|
gptkbp:discovery_year
|
gptkb:1944
|
gptkbp:dissolved
|
insoluble in water
soluble in acids
|
gptkbp:electronegativity
|
1.3 (Pauling scale)
|
gptkbp:environmental_impact
|
radioactive waste
contamination risk
|
https://www.w3.org/2000/01/rdf-schema#label
|
Cm-245
|
gptkbp:isotopes
|
gptkb:true
96
unstable
Cm-247
Cm-246
Cm-248
decays to Pu-241
|
gptkbp:lifespan
|
8500 years
|
gptkbp:mass
|
245
|
gptkbp:melting_point
|
1340 ° C
2870 ° C
|
gptkbp:mode
|
alpha decay
|
gptkbp:oxidation_states
|
+3
+4
|
gptkbp:parent
|
gptkb:Pu-241
Bk-244
|
gptkbp:population_density
|
13.51 g/cm³
|
gptkbp:produces
|
gptkb:nuclear_fission
neutron capture
|
gptkbp:regulatory_compliance
|
nuclear regulatory agencies
|
gptkbp:safety
|
radioactive hazard
|
gptkbp:storage
|
shielded containers
|
gptkbp:symbol
|
Cm
|
gptkbp:uses
|
gptkb:research
gptkb:nuclear_weapons
nuclear reactors
|
gptkbp:was_a_response_to
|
produced in reactors
produced by neutron capture
|
gptkbp:waste_management
|
long-term storage
deep geological repositories
transmutation research
|
gptkbp:bfsParent
|
gptkb:curium
|
gptkbp:bfsLayer
|
6
|