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- 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 (8,206 words) - 12:51, 22 June 2024
- 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
- Niobium–tin is an intermetallic compound of niobium (Nb) and tin (Sn), used industrially as a type-II superconductor. This intermetallic compound has...15 KB (1,769 words) - 09:56, 25 May 2024
- Niobium chloride may refer to: Niobium(IV) chloride (niobium tetrachloride), NbCl4 Niobium(V) chloride (niobium pentachloride), NbCl5 This set index article...542 bytes (51 words) - 21:49, 27 February 2021
- Niobium-germanium (Nb3Ge) is an intermetallic chemical compound of niobium (Nb) and germanium (Ge). It has A15 phase structure. It is a superconductor...3 KB (206 words) - 06:02, 2 July 2024
- It is often used as a precursor to other compounds of niobium. NbCl5 may be purified by sublimation. Niobium(V) chloride forms chloro-bridged dimers in...6 KB (474 words) - 11:23, 5 January 2024
- Group 5 element (section Niobium and tantalum)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) - 02:13, 19 June 2024
- Niobium monoxide is the inorganic compound with the formula NbO. It is a grey solid with metallic conductivity. NbO adopts an unusual cubic structure,...5 KB (444 words) - 19:02, 22 February 2023
- Niobium nitride is a compound of niobium and nitrogen (nitride) with the chemical formula NbN. At low temperatures (about 16 K) NbN becomes a superconductor...5 KB (376 words) - 19:45, 17 March 2023
- Niobium dioxide, is the chemical compound with the formula NbO2. It is a bluish-black non-stoichiometric solid with a composition range of NbO1.94-NbO2...4 KB (347 words) - 16:37, 12 March 2023
- Niobium carbide (NbC and Nb2C) is an extremely hard refractory ceramic material, commercially used in tool bits for cutting tools. It is usually processed...3 KB (312 words) - 13:34, 24 May 2024
- Niobium(IV) chloride, also known as niobium tetrachloride, is the chemical compound of formula NbCl4. This compound exists as dark violet crystals, is...5 KB (479 words) - 09:55, 20 June 2022
- Tantalum (redirect from Tantalum compound)von Ilmenium und Niobium, sowie über die Zusammensetzung der Niobmineralien (Further research about the compounds of ilmenium and niobium, as well as the...53 KB (6,105 words) - 15:44, 26 June 2024
- Niobium perchlorate is a chemical compound with the formula Nb(ClO4)5. It is a hygroscopic, white crystalline solid that readily reacts with moist air...4 KB (228 words) - 09:57, 7 December 2023
- 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
- Two fluorides of niobium are well characterized: Niobium(IV) fluoride Niobium(V) fluoride This set index article lists chemical compounds articles associated...478 bytes (47 words) - 15:24, 11 June 2023
- Niobium(V) fluoride, also known as niobium pentafluoride, is the inorganic compound with the formula NbF5. It is a colorless solid. Niobium pentafluoride...4 KB (201 words) - 08:59, 22 January 2024
- Niobium diselenide or niobium(IV) selenide is a layered transition metal dichalcogenide with formula NbSe2. Niobium diselenide is a lubricant, and a superconductor...13 KB (1,397 words) - 06:32, 26 January 2023
- Niobium oxychloride is the inorganic compound with the formula NbOCl3. It is a white, crystalline, diamagnetic solid. It is often found as an impurity...4 KB (350 words) - 16:23, 19 June 2023
- Carbon compounds are defined as chemical substances containing carbon. More compounds of carbon exist than any other chemical element except for hydrogen...13 KB (995 words) - 12:40, 1 July 2024
- detected two new elements in the columbites of the Bodenmais, which he named niobium and pelopium; dianium was discovered by W. X. F. von Kobell in various
- element niobium in 1864. He developed an early version of the periodic table and made advances in understanding the chemistry of coordination compounds. Blomstrand
- chlorine atom. The dienophile can be activated by a Lewis acid such as niobium pentachloride. Cyclopentadiene does not react with cyclohexenone in ethyl