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 |