• Thumbnail for Niobium
    Niobium is a chemical element; it has symbol Nb (formerly columbium, Cb) and atomic number 41. It is a light grey, crystalline, and ductile transition...
    84 KB (8,229 words) - 03:13, 10 September 2024
  • Naturally occurring niobium (41Nb) is composed of one stable isotope (93Nb). The most stable radioisotope is 92Nb with a half-life of 34.7 million years...
    19 KB (1,041 words) - 16:07, 10 September 2024
  • Niobium oxide, archaically called columbium oxide, may refer to: Niobium monoxide (niobium(II) oxide), NbO Niobium dioxide (niobium(IV) oxide), NbO2 Niobium...
    1 KB (151 words) - 03:32, 30 April 2024
  • Niobium–titanium (Nb-Ti) is an alloy of niobium and titanium, used industrially as a type II superconductor wire for superconducting magnets, normally...
    7 KB (769 words) - 22:00, 7 August 2023
  • Thumbnail for Niobium pentoxide
    Niobium pentoxide is the inorganic compound with the formula Nb2O5. A colorless, insoluble, and fairly unreactive solid, it is the most widespread precursor...
    12 KB (1,223 words) - 03:23, 5 July 2024
  • Thumbnail for Group 5 element
    group of elements in the periodic table. Group 5 contains vanadium (V), niobium (Nb), tantalum (Ta) and dubnium (Db). This group lies in the d-block of...
    80 KB (8,537 words) - 17:55, 11 September 2024
  • Thumbnail for Niobium capacitor
    A niobium electrolytic capacitor (historically also Columbium capacitor) is an electrolytic capacitor whose anode (+) is made of passivated niobium metal...
    32 KB (3,208 words) - 02:28, 4 March 2024
  • Thumbnail for Tantalum
    element, along with vanadium and niobium, and it always occurs in geologic sources together with the chemically similar niobium, mainly in the mineral groups...
    53 KB (6,125 words) - 18:10, 23 August 2024
  • A niobium alloy is one in which the most common element is niobium. The most common commercial niobium alloys are ferroniobium and nickel-niobium, produced...
    5 KB (557 words) - 19:53, 19 August 2024
  • Niobium bromide may refer to Niobium(III) bromide. NbBr3 Niobium(IV) bromide, NbBr4 Niobium(V) bromide, NbBr5 Greenwood, Norman N.; Earnshaw, Alan (1997)...
    329 bytes (71 words) - 21:23, 7 March 2015