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| physical object > natural object > particle > element > column grouped element > transition metal > niobium | 
| niobium comparison table | |||||||
| Subject | has ocean residence time | has occurrence | has ocean oxidation state | is a kind of | has group | has image | has ocean concentration | 
|---|---|---|---|---|---|---|---|
| transition metal | column grouped element | a column number in the table of the elements | |||||
| unclassified oceanic element | unknown | ocean | oceanic element | unknown | |||
| niobium | unknown | ocean | V | unclassified oceanic element | a column number in the table of the elements | ![]()  | unknown | 
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