Wikidata entity: P1109
| P31 | instance of | ... | Q22981316 (Wikidata property related to physics) | Wikidata property related to physics |
| P31 | instance of | ... | Q21294996 (Wikidata property related to chemistry) | Wikidata property related to chemistry |
| P2302 | property constraint | ... | Q19474404 (single-value constraint) | single-value constraint |
| P2302 | property constraint | ... | Q53869507 (property scope constraint) | property scope constraint |
| P2302 | property constraint | ... | Q54554025 (citation-needed constraint) | citation-needed constraint |
| P2302 | property constraint | ... | Q21514353 (allowed units constraint) | allowed units constraint |
| P2302 | property constraint | ... | Q21503250 (subject type constraint) | subject type constraint |
| P2302 | property constraint | ... | Q21510856 (required qualifier constraint) | required qualifier constraint |
| P2302 | property constraint | ... | Q21510860 (range constraint) | range constraint |
| P3254 | property proposal discussion | Url | Wikidata:Property proposal/Archive/18 - Wikidata | ??? |
| P2875 | property usage tracking category | ... | Q117011605 (Category:Pages using Wikidata property P1109) | Category:Pages using Wikidata property P1109 |
| P1629 | Wikidata item of this property | ... | Q174102 (refractive index) | refractive index |
| P1855 | Wikidata property example | ... | Q150731 (undecane) | undecane |
| P2559 | Wikidata usage instructions | Monolingualtext | należy podać także temperaturę (P2076) i długość fali (P2808) jako kwalifikatory; zazwyczaj współczynnik załamania określa się dla temperatury 20 stopni Celsjusza i długości fali 589 nanometrów (linii D sodu) | ??? |
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