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niobium
[nahy-oh-bee-uhm]
noun
a steel-gray metallic element resembling tantalum in its chemical properties; becomes a superconductor below 9 K; used chiefly in alloy steels. Nb; 41; 92.906; 8.4 at 20°C.
niobium
/ Բɪˈəʊɪə /
noun
Former name: columbium.a ductile white superconductive metallic element that occurs principally in columbite and tantalite: used in steel alloys. Symbol: Nb; atomic no: 41; atomic wt: 92.90638; valency: 2, 3, or 5; relative density: 8.57; melting pt: 2469±10°C; boiling pt: 4744°C
niobium
A soft, silvery, ductile metallic element that usually occurs in nature together with the element tantalum. It is used to build nuclear reactors, to make steel alloys, and to allow magnets to conduct electricity with almost no resistance. Atomic number 41; atomic weight 92.906; melting point 2,468°C; boiling point 4,927°C; specific gravity 8.57; valence 2, 3, 5.
See Periodic Table
51Թ History and Origins
51Թ History and Origins
Origin of niobium1
Example Sentences
When it comes to quantum technology, niobium is making a comeback.
"Tungsten, niobium and tantalum were not as effective in this chemical form," Nyman said.
The other variant substituted niobium with chromium in the mix.
The proposed mine’s main product would be niobium that’s used to make steel lighter and stronger.
They eventually uncovered deposits containing billions of dollars’ worth of zirconium, niobium, and other elements that are critical in electronics, defense, and renewable energy technologies.
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