Wikidata entity: P873
| P31 | instance of | ... | Q21077852 (Wikidata property for physical quantities) | Wikidata property for physical quantities |
| P31 | instance of | ... | Q21294996 (Wikidata property related to chemistry) | Wikidata property related to chemistry |
| P2302 | property constraint | ... | Q21503250 (subject type constraint) | subject type constraint |
| P2302 | property constraint | ... | Q21510851 (allowed qualifiers constraint) | allowed qualifiers constraint |
| P2302 | property constraint | ... | Q21510856 (required qualifier constraint) | required qualifier constraint |
| P2302 | property constraint | ... | Q21510859 (one-of constraint) | one-of constraint |
| P2302 | property constraint | ... | Q53869507 (property scope constraint) | property scope constraint |
| P2302 | property constraint | ... | Q54554025 (citation-needed constraint) | citation-needed constraint |
| P3254 | property proposal discussion | Url | Wikidata:Property proposal/Archive/14 - Wikidata | ??? |
| P2668 | stability of property value | ... | Q23611288 (never changes) | never changes |
| P1629 | Wikidata item of this property | ... | Q104837 (phase) | phase |
| P1855 | Wikidata property example | ... | Q134192 (butane) | butane |
| P1855 | Wikidata property example | ... | Q150731 (undecane) | undecane |
| P2559 | Wikidata usage instructions | Monolingualtext | jako wartość należy podać punkt potrójny (Q106410) lub punkt krytyczny (Q111059) oraz temperaturę (P2076) i ciśnienie (P2077) jako kwalifikatory; podanie gęstości (P2054) albo objętości molowej (P2807) jest opcjonalne | ??? |
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