↑ | 546.2 | hydrogen and its compounds | |  | ↑ | 546.24 | acids | |  | ↑ | 546.3 | metals, metallic compounds, alloys | → 620.16 669 |  | ↑ | 546.34 | salts | |  | ↑ | 546.4 | group 3, lantanids, actinids | |  | ↑ | 546.41 | lantanids, rare earths | |  | ↑ | 546.42 | actinids | |  | ↑ | 546.5 | groups 4 to 7: of titanium, vanadium, chrome, manganese | |  | ↑ | 546.6 | groups 8 to 14 | |  | ↑ | 546.625 | nickel | |  | ↑ | 546.671 | boron | |  | ↑ | 546.7 | groups 15 to 18: chalcogens, alogens, noble gases | |  | ↑ | 546.8 | periodic law and table | |  |
| |