|
Chroom |
|
|
Mangaan |
|
|
Kobalt |
|
|
Yttrium |
|
|
Zirkonium |
|
|
Molybdeen, technetium, ruthenium en rodium |
|
|
Molybdeen |
|
|
Technetium |
|
|
Ruthenium |
|
|
Rodium |
|