Potassium: Potassium is a chemical element, typically found as a solid in its elemental form. It has the chemical symbol K (from the Latin kalium), atomic number (number of protons) Z = 19, and a standard atomic weight of 39.0983 g ... [100%] 2023-01-28
Potassium: Potassium is an element in the alkali metals class of the periodic table. It is so chemically active that it is never found free (in elemental form) in nature. [100%] 2023-02-19 [Metals] [Botany]...
Potassium: Potassium is a chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. (Chemical element with atomic number 19) [100%] 2021-12-23 [Potassium] [Alkali metals]...
Potassium: Potassium is the chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. It is a silvery white metal that is soft enough to easily cut with a knife. (Chemistry) [100%] 2023-09-05 [Potassium] [Chemical elements]...
Potassium: Potassium [[[symbol]] K (from kalium), atomic weight 39., a metallic chemical element, belonging to the group termed the metals of the alkalis. Although never found free in nature, in combination the metal is abundantly and widely distributed. [100%] 2022-09-02
Potassium: Potassium (chemical symbol K, atomic number 19) is a member of a group of chemical elements known as alkali metals. It is a soft metal and is silvery white when freshly cut, but it tarnishes rapidly on exposure to air ... [100%] 2023-02-03
Potassium: Le potassium est l'élément chimique de numéro atomique 19, de symbole K (du latin kalium). Il fait partie du premier groupe du tableau périodique et plus particulièrement des métaux alcalins. [100%] 2025-08-02
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. [88%] 2023-02-18 [Chemistry]
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 ... [88%] 2022-09-02
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 ... [88%] 2023-11-26
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) [88%] 2024-01-02 [Linguistics]
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) [88%] 2024-01-02 [Syntax] [Word coinage]...
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. [85%] 2024-08-23
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) [71%] 2023-12-10 [Scandium compounds] [Chemical compounds by element]...
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) [71%] 2023-09-21 [Aromatic compounds]
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 ... [71%] 2022-09-02
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) [71%] 2023-12-19 [Rhenium] [Rhenium compounds]...
Lead compounds: Compounds of lead exist with lead in two main oxidation states: +2 and +4. The former is more common. (Type of compound) [71%] 2023-09-09 [Lead compounds]
Radon compounds: Radon compounds are compounds formed by the element radon (Rn). Radon is a noble gas, i.e. [71%] 2023-12-14 [Radon] [Chemical compounds by element]...
Vanadium compounds: Vanadium compounds are compounds formed by the element vanadium (V). The chemistry of vanadium is noteworthy for the accessibility of the four adjacent oxidation states 2–5, whereas the chemistry of the other group 5 elements, niobium and tantalum, are ... (Chemistry) [71%] 2024-02-02 [Chemical compounds by element] [Vanadium]...
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