Category:Chemistry
Extends: [Physical sciences](https://wikipedia.org.ai/Physical sciences)
Properties
| Property | Expected Type | Description |
|---|---|---|
| Ddc | Text | 540 |
Wikipedia.org.aiWikipedia.org.aiExtends: [Physical sciences](https://wikipedia.org.ai/Physical sciences)
| Property | Expected Type | Description |
|---|---|---|
| Ddc | Text | 540 |