Item:Q2547: Difference between revisions
Created a new Item: pure substance, chemical substance composed of atoms or molecules of only one chemical element or chemical compound |
Created claim: subclass of (P1): chemical substance (Q1173) |
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| Property / instance of | |||
| Property / instance of: group or class of chemical substances / rank | |||
Normal rank | |||
| Property / subclass of | |||
| Property / subclass of: chemical substance / rank | |||
Normal rank | |||