|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:application
|
material science
nuclear physics
radiochemistry
|
|
gptkbp:category
|
actinide
|
|
gptkbp:chemical_formula
|
not applicable
|
|
gptkbp:color
|
silvery
|
|
gptkbp:cooling_system
|
11.5 W/(m· K)
|
|
gptkbp:discovered_by
|
gptkb:Glenn_T._Seaborg
|
|
gptkbp:discovery
|
gptkb:University_of_California,_Berkeley
|
|
gptkbp:discovery_year
|
gptkb:1944
|
|
gptkbp:dissolved
|
low
high
|
|
gptkbp:electrical_resistivity
|
0.0010 Ω·m
|
|
gptkbp:electronegativity
|
1.3 (Pauling scale)
|
|
gptkbp:environmental_concerns
|
radioactive waste
|
|
gptkbp:health_hazard
|
toxic
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
curium
|
|
gptkbp:isotopes
|
gptkb:Cm-244
gptkb:Cm-245
gptkb:true
96
Cm-246
|
|
gptkbp:lifespan
|
18.1 years (Cm-244)
4730 years (Cm-246)
8500 years (Cm-245)
|
|
gptkbp:material
|
used in nuclear applications
|
|
gptkbp:melting_point
|
2880 K
1340 K
|
|
gptkbp:named_after
|
gptkb:Pierre_Curie
gptkb:Marie_Curie
|
|
gptkbp:occurs_in
|
synthetic
|
|
gptkbp:oxidation_states
|
+3, +4, +6
|
|
gptkbp:phase_at_room_temperature
|
gptkb:solid
|
|
gptkbp:population_density
|
13.51 g/cm³
|
|
gptkbp:power_source
|
12.1 e V
20.0 e V
6.7 e V
|
|
gptkbp:safety
|
required when handling
|
|
gptkbp:storage
|
shielded containers
|
|
gptkbp:structure
|
face-centered cubic
|
|
gptkbp:symbol
|
Cm
|
|
gptkbp:synthesis_methods
|
nuclear reactions
neutron capture
chemical extraction
|
|
gptkbp:uses
|
gptkb:research
nuclear reactors
|
|
gptkbp:uses_in_radioisotope_thermoelectric_generators
|
gptkb:true
|
|
gptkbp:uses_in_smoke_detectors
|
gptkb:true
|
|
gptkbp:uses_in_space_missions
|
gptkb:true
|
|
gptkbp:was_a_response_to
|
similar to plutonium
similar to americium
|
|
gptkbp:waste_management
|
regulated as hazardous waste
|
|
gptkbp:bfsParent
|
gptkb:Mendeleev's_Periodic_Table
|
|
gptkbp:bfsLayer
|
5
|