出典:Wiktionary
出典:『Wiktionary』 (2026/04/24 23:21 UTC 版)
| Chemical element | ||||||||
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| Nb Atomic number 41 niobium |
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| Previous: ← zirconium (Zr) | ||||||||
| Next: molybdenum (Mo) → | ||||||||
| English Wikipedia article on Niobium |
From Niobe + -ium, because of the element's affinity with tantalum, named after Niobe's father Tantalus.
niobium (countable and uncountable, plural niobiums)
| Chemical element | ||||||||
|---|---|---|---|---|---|---|---|---|
| Nb Atomic number 41 niobium |
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| Previous: ← zirconium (Zr) | ||||||||
| Next: molybdaenum (Mo) → |
出典:Wikipedia
出典:『Wikipedia』 (2011/08/08 18:23 UTC 版)
Niobium (
/naɪˈoʊbiəm/) or columbium (/kəˈlʌmbiəm/), is a chemical element with the symbol Nb and atomic number 41. A rare, soft, grey, ductile transition metal, niobium is found in the minerals pyrochlore, the main commercial source for niobium, and columbite. The name comes from Greek mythology: Niobe, daughter of Tantalus.