Niobium, or columbium, is a chemical element with the chemical symbol Nb (formerly Cb) and atomic number 41. Niobium is a light grey, crystalline, and ductile transition metal.
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Element Niobium (Nb), Group 5, Atomic Number 41, d-block, Mass 92.906. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ...
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3 juil. 2019 · Niobium (Columbium) Basic Facts ; Atomic Number: 41 ; Symbol: Nb (Cb) ; Atomic Weight: 92.90638 ; Discovery: Charles Hatchet 1801 (England) ...
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niobium (Nb), chemical element, refractory metal of Group 5 (Vb) of the periodic table, used in alloys, tools and dies, and superconductive magnets.
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1 août 2018 · The element was called columbium (symbol Cb) in the United States for about 100 years, while it was called niobium in Europe. In 1949, the ...
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6 août 2013 · In order to put an end to the confusion due to the difference in the naming of this element in different countries, IUPAC officially named it ...
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25 nov. 2018 · On November 26, 1801, the discovery of a new element – columbium ... and known now as niobium, with the atomic symbol Nb. For niobium's ...
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Niobium is a chemical element with symbol Nb and atomic number 41. Classified as a transition metal, Niobium is a solid at room temperature. 41. Nb. Niobium ...
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24 juin 2016 · Chemical Element, Niobium (Columbium), Melting Point °C ; Chemical Symbol, Nb, Boiling Point °C ; Atomic Number, 41, Density g/cm ; Atomic Weight ...
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Niobium or columbium (chemical symbol Nb, atomic number 41) is a rare, soft, gray metal. It was discovered in a variety of columbite (now called niobite) ...
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Download this stock image: Niobium, also known as columbium, is a chemical element with the symbol Nb (formerly Cb) and atomic number 41.
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The element that was once known as columbium is now also known as niobium and its chemical symbol is Nb. The reason for the name change was the fact that ...
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nīō´bēəm [key], metallic chemical element; symbol Nb; at. no. 41; at. wt. 92.90638; m.p. about 2468°C; b.p. 4742°C; sp. gr. 8.57 at 20°C; valence +2, +3, ...
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Niobium is a chemical element or light grey, crystalline, transition metal of Group 5 (VB) of the periodic table with symbol Nb and atomic number 41.
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