| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Transition Elements | 100 | + | |
| 2 | Tungmetaller | 94 | + | |
| 3 | Lättmetaller | 27 | + | |
| 4 | Kol | 17 | + | |
| 5 | Alkaliska jordmetaller | 17 | + | |
| 6 | Sällsynta jordartsmetaller | 12 | + | |
| 7 | Lantanider | 9 | + | |
| 8 | Kalkogener | 8 | + | |
| 9 | 7 | + | ||
| 10 | Halogener | 5 | + | |
| 11 | Väte | 4 | + | |
| 12 | Metalloids | 4 | + | |
| 13 | Alkalimetaller | 4 | + | |
| 14 | Fosfor | 2 | + | |
| 15 | Kväve | 1 | + |