Item:Q19290: Difference between revisions
Created a new Item: allotrope of carbon, materials made only out of carbon |
Created claim: subclass of (P1): allotrope (Q19291) |
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| Property / instance of | |||
| Property / instance of: structural class of chemical entities / rank | |||
Normal rank | |||
| Property / subclass of | |||
| Property / subclass of: allotrope / rank | |||
Normal rank | |||
| Property / subclass of: allotrope / qualifier | |||