Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
|
| gptkbp:appearance |
silvery white
|
| gptkbp:atomicNumber |
58
|
| gptkbp:boilingPoint |
3443 °C
|
| gptkbp:CASNumber |
7440-45-1
|
| gptkbp:category |
rare earth element
|
| gptkbp:density |
6.770 g/cm³
|
| gptkbp:discoveredBy |
gptkb:Martin_Heinrich_Klaproth
|
| gptkbp:discoveredIn |
1803
|
| https://www.w3.org/2000/01/rdf-schema#label |
สิเรียม
|
| gptkbp:isotopes |
Ce-136
Ce-138 Ce-140 Ce-142 |
| gptkbp:meltingPoint |
795 °C
|
| gptkbp:namedAfter |
gptkb:Ceres_(dwarf_planet)
|
| gptkbp:oxidationStates |
+3
+4 |
| gptkbp:periodicTableGroup |
f-block
|
| gptkbp:relatedGroup |
lanthanide
|
| gptkbp:standardState |
gptkb:stone
|
| gptkbp:symbol |
Ce
|
| gptkbp:uses |
catalysts
glass polishing lighter flints |
| gptkbp:bfsParent |
gptkb:เมียนมา
|
| gptkbp:bfsLayer |
5
|