- Parent WikiProject: Wikipedia:WikiProject Chemicals,
This page categorizes pages using importance, through built-in transclusion from {{Chemicals}}. Importance is judged only in terms of topics within chemicals.
Need: The article's importance, regardless of its quality
| Top | Subject is a must-have for a print encyclopaedia |
| High | Subject contributes a depth of knowledge |
| Mid | Subject fills in more minor details |
| Low | Subject is peripheral knowledge, possibly trivial |
 | Administrators: Please do not delete this category as empty! This category may be empty occasionally or even most of the time. |
| Top | High | Mid | Low | NA | ??? |
| 30 | 324 | 2,215 | 18,798 | 4,046 | 779 |