At wanaadiumskööl as det 5. skööl faan a cheemisk elementen. Det san wanaadium, nioobium, tantaal an det konstelk element dubnium. Jo hiar aaltumaal tu det seerie faan a auergungsmetalen.
 Tekst üüb Öömrang |
| Skööl | 5 |
| Periode | |
| 4 | 23 V |
| 5 | 41 Nb |
| 6 | 73 Ta |
| 7 | 105 Db |
Bilen
- Metalen uun't wanaadiumskööl
Wanaadium, 99,95 %
Nioobium, 99,995 %
Tantaal, 99,999 %
Luke uk diar
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