| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Metals, Heavy | 100 | + | |
| 2 | Metals, Alkali | 94 | + | |
| 3 | Transition Elements | 75 | + | |
| 4 | Chalcogens | 56 | + | |
| 5 | Metals, Alkaline Earth | 50 | + | |
| 6 | Metals, Light | 31 | + | |
| 7 | Hydrogen | 11 | + | |
| 8 | Metals, Rare Earth | 11 | + | |
| 9 | Phosphorus | 9 | + | |
| 10 | Metalloids | 8 | + | |
| 11 | Nitrogen | 7 | + | |
| 12 | Noble Gases | 6 | + | |
| 13 | Elements, Radioactive | 6 | + | |
| 14 | Lanthanoid Series Elements | 4 | + | |
| 15 | Halogens | 4 | + | |
| 16 | Carbon | 4 | + |