Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
chemical element symbol
|
| gptkbp:appearance |
silvery-white
|
| gptkbp:atomicNumber |
68
|
| gptkbp:boilingPoint |
2868°C
|
| gptkbp:category |
rare earth element
|
| gptkbp:chemicalSeries |
lanthanide
|
| gptkbp:discoveredBy |
gptkb:Carl_Gustaf_Mosander
|
| gptkbp:discoveredIn |
1843
|
| https://www.w3.org/2000/01/rdf-schema#label |
Er
|
| gptkbp:isotopes |
Er-162
Er-164 Er-166 Er-167 Er-168 Er-170 |
| gptkbp:meltingPoint |
1529°C
|
| gptkbp:represents |
gptkb:Erbium
|
| gptkbp:standardState |
gptkb:stone
|
| gptkbp:symbol |
gptkb:Erbium
|
| gptkbp:usedIn |
gptkb:optical_fibers
nuclear technology lasers |
| gptkbp:bfsParent |
gptkb:Judah
|
| gptkbp:bfsLayer |
5
|