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1. Phosphonium: In chemistry, the term phosphonium (more obscurely: phosphinium) describes polyatomic cations with the chemical formula PR+4 (where R is a hydrogen or an alkyl, aryl, or halide group). These cations have tetrahedral structures. (Physics) [100%] 2024-05-13 [Cations] [Functional groups]...
2. Phosphenium: Phosphenium ions, not to be confused with phosphonium or phosphirenium, are divalent cations of phosphorus of the form . Phosphenium ions have long been proposed as reaction intermediates. (Divalent cations of phosphorus) [90%] 2023-09-08 [Cations] [Phosphorus compounds]...
3. Phosphenium: Phosphenium ions, not to be confused with phosphonium or phosphirenium, are divalent cations of phosphorus of the form . Phosphenium ions have long been proposed as reaction intermediates. (Physics) [90%] 2025-02-26 [Cations] [Phosphorus compounds]...
4. Phosphonite: In organic chemistry, phosphonites are organophosphorus compounds with the formula P(OR)2R. They are found in some pesticides and are used as ligands. (Chemistry) [81%] 2024-06-10 [Functional groups] [Organophosphonites]...
5. Phosphonium coupling: In organic chemistry, phosphonium coupling is a cross-coupling reaction for organic synthesis. It is a mild, efficient, chemoselective and versatile methodology for the formation of C–C, C–N, C–O, and C–S bond of unactivated and unprotected ... (Chemistry) [70%] 2023-12-13 [Organic chemistry]
6. Compound: A compound is a molecule which is composed of more than one element. Table salt, for example, is sodium chloride (NaCl), a compound composed of the elements sodium (Na) and chlorine (Cl) in a 1:1 ratio. [62%] 2023-02-18 [Chemistry]
7. Compound: Compound, a combination of various elements, substances or ingredients, so as to form one composite whole. A “chemical compound” is a substance which can be resolved into simple constituents, as opposed to an element which cannot be so resolved (see ... [62%] 2022-09-02
8. Compound: Articles Most recent articles on Compound Most cited articles on Compound Review articles on Compound Articles on Compound in N Eng J Med, Lancet, BMJ Media Powerpoint slides on Compound Images of Compound Photos of Compound Podcasts & MP3s on Compound ... [62%] 2023-11-26
9. Compound (linguistics): This original article is about compounds in linguistics. Its aim is to provide properly sourced information about compounds, in part to support their treatment in dictionaries. (Linguistics) [62%] 2024-01-02 [Linguistics]
10. Compound (linguistics): In linguistics, a compound is a lexeme (less precisely, a word or sign) that consists of more than one stem. Compounding, composition or nominal composition is the process of word formation that creates compound lexemes. (Linguistics) [62%] 2024-01-02 [Syntax] [Word coinage]...
11. Chemical compound#Catalogs#Organic compounds: This page aims to list well-known organic compounds, including organometallic compounds. Note that purely inorganic compounds, minerals, and chemical elements are not included. [60%] 2024-08-23
12. Photobacterium phosphoreum: Photobacterium phosphoreum formerly Vibrio phosphoreum is a Gram-negative bioluminescent bacterium living in symbiosis with marine organisms, such as anglerfish. It can emit bluish-green light (490 nm) due to a chemical reaction between FMN, luciferin and molecular oxygen catalysed ... (Species of bacterium) [57%] 2023-11-15 [Vibrionales] [Bioluminescent bacteria]...
13. Photobacterium phosphoreum: Photobacterium phosphoreum is a luminescent bacterium. It is a straight rod and Gram-negative bacterium with a large size and round shape. [57%] 2023-06-22
14. Phosphonic acid: Articles Most recent articles on Phosphonic acid Most cited articles on Phosphonic acid Review articles on Phosphonic acid Articles on Phosphonic acid in N Eng J Med, Lancet, BMJ Media Powerpoint slides on Phosphonic acid Images of Phosphonic acid Photos ... [56%] 2023-03-22 [Acids] [Phosphorus compounds]...
15. Scandium compounds: Scandium compounds are compounds containing the element scandium. The chemistry of scandium is almost completely dominated by the trivalent ion, Sc, due to its electron configuration, 3d4s. (Chemistry) [50%] 2023-12-10 [Scandium compounds] [Chemical compounds by element]...
16. Benzylidene compounds: Benzylidene compounds are, formally speaking, derivatives of benzylidene, although few are prepared from the carbene. Benzylidene acetal is a protecting group in synthetic organic chemistry of the form PhCH(OR)2. (Chemistry) [50%] 2023-09-21 [Aromatic compounds]
17. Nitro Compounds: Nitro Compounds, in organic chemistry, compounds containing the monovalent radical -NO 2 directly combined with carbon. The nitroparaffins may be obtained by the action of the alkyl iodides on silver nitrite (V. When methyl iodide is used, nitromethane is the ... [50%] 2022-09-02
18. Rhenium compounds: Rhenium compounds are compounds formed by the transition metal rhenium (Re). Rhenium can form in many oxidation states, and compounds are known for every oxidation state from -3 to +7 except -2, although the oxidation states +7, +6, +4, and ... (Chemistry) [50%] 2023-12-19 [Rhenium] [Rhenium compounds]...
19. Lead compounds: Compounds of lead exist with lead in two main oxidation states: +2 and +4. The former is more common. (Type of compound) [50%] 2023-09-09 [Lead compounds]
20. Radon compounds: Radon compounds are compounds formed by the element radon (Rn). Radon is a noble gas, i.e. [50%] 2023-12-14 [Radon] [Chemical compounds by element]...