Curium

GPTKB entity

Statements (46)
Predicate Object
gptkbp:instanceOf chemical element
gptkbp:category actinide
gptkbp:chemicalFormula +3
face-centered cubic
+4
reacts with halogens
reacts with acids
forms nitrates
forms sulfates
forms oxides
reacts with oxygen
forms halides
gptkbp:colors silvery
gptkbp:dissolved insoluble in water
soluble in acids
gptkbp:distribution 13.51 g/cm³
gptkbp:endOfLife 15.6 million years (Cm-247)
162.5 days (Cm-242)
18.1 years (Cm-244)
8.5 years (Cm-245)
gptkbp:environmental_impact radioactive waste
gptkbp:environmentalImpact 0.1 × 10⁶ S/m
11 W/(m·K)
gptkbp:established gptkb:Albert_Ghiorso
gptkb:Glenn_T._Seaborg
Emilio Segrè
gptkbp:geologicalFeatures 0.0000001%
https://www.w3.org/2000/01/rdf-schema#label Curium
gptkbp:iceClass 2880 K
1340 K
gptkbp:ISO639-3 gptkb:Cm-245
gptkb:Cm-246
true
Cm-242
Cm-244
Cm-247
gptkbp:notableFeature 1.3 (Pauling scale)
gptkbp:numberOfFigures 96
gptkbp:releaseYear 1944
gptkbp:safety toxic
radioactive hazard
gptkbp:symbol Cm
gptkbp:uses research
space missions
nuclear reactors
medical applications