Statements (54)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:chemical_compound
|
gptkbp:bfsLayer |
4
|
gptkbp:bfsParent |
gptkb:Arc'teryx
|
gptkbp:category |
lanthanide
|
gptkbp:color |
silvery-white
|
gptkbp:cooling_system |
11.1 W/(m· K)
|
gptkbp:discovered_by |
gptkb:Martin_Heinrich_Klaproth
|
gptkbp:ecological_role |
no known biological role
|
gptkbp:electronegativity |
1.12
|
gptkbp:environmental_impact |
toxic in large amounts
|
https://www.w3.org/2000/01/rdf-schema#label |
Cerium
|
gptkbp:isotopes |
58
Ce-140 Ce-142 Ce-143 Ce-144 Ce-145 Ce-146 Ce-147 Ce-148 Ce-149 Ce-150 |
gptkbp:mass |
140.116 u
|
gptkbp:material |
used in aluminum alloys
used in steelmaking used in mischmetal |
gptkbp:melting_point |
3471 ° C
795 ° C |
gptkbp:notable_conductors |
good conductor
|
gptkbp:occurs_in |
rare earth minerals
|
gptkbp:population |
6.77 g/cm³
|
gptkbp:products |
cerium boride (Ce B6)
cerium carbonate (Ce2(C O3)3) cerium chloride (Ce Cl3) cerium fluoride (Ce F3) cerium hydride (Ce H2) cerium nitrate (Ce(N O3)3) cerium oxide (Ce O2) cerium phosphide (Ce P) cerium sulfate (Ce2(S O4)3) cerium sulfide (Ce2 S3) |
gptkbp:safety_features |
handle with care
|
gptkbp:social_structure |
face-centered cubic
+3, +4 |
gptkbp:storage |
store in a dry place
|
gptkbp:symbol |
Ce
|
gptkbp:uses |
catalysts
ceramic glazes glass polishing |
gptkbp:was_a_response_to |
reacts with water
reacts with halogens reacts with acids reacts with oxygen |
gptkbp:year_created |
1803
|