| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Metals, Heavy | 100 | + | |
| 2 | Transition Elements | 91 | + | |
| 3 | Metals, Alkaline Earth | 64 | + | |
| 4 | Metals, Light | 38 | + | |
| 5 | Phosphorus | 16 | + | |
| 6 | Carbon | 11 | + | |
| 7 | Metals, Rare Earth | 7 | + | |
| 8 | Lanthanoid Series Elements | 5 | + | |
| 9 | Metals, Alkali | 4 | + | |
| 10 | Halogens | 3 | + | |
| 11 | Metalloids | 3 | + | |
| 12 | Nitrogen | 2 | + | |
| 13 | Noble Gases | 2 | + |