Cm-245

GPTKB entity

Statements (50)
Predicate Object
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