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109384-19-2 C 10 H 20 N 2 O 2: boc-4-aminopiperidine: 87120-72-7 C 10 H 20 O 2: Paramenthane hydroperoxide: C 10 H 22: decane: 124-18-5 C 11 H 8 O 2: menadione: 58-27-5 C 11 H 10 O β-Naphthol methyl ether: 93-04-9 C 11 H 11 NO 2: 3-indolepropionic acid: 830-96-6 C 11 H 12 N 2 O 2: tryptophan Trp: 73-22-3 C 11 H 12 O 3: myristicin: C 11 H 13 NO ...
C 20 H 16 N 2 O: benzyl phenylhydrazone: 6630-86-0 C 20 H 16 O 2: triphenylacetic acid: 595-91-5 C 20 H 16 O 4 S 2: c.i. vat orange 5: 3263-31-8 C 20 H 17 ClO: methoxytriphenylchloromethane: 14470-28-1 C 20 H 17 ClN 2 O 3: ketazolam: 27223-35-4 C 20 H 18 NO 4: berberine: 2086-83-1 C 20 H 18 N 2 O: benzoin phenylhydrazone: 574-07-2 C 20 H 18 O 2 ...
A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using chemical symbols for the chemical elements, and subscripts to indicate the number of atoms involved. For example, water is composed of two hydrogen atoms bonded to one oxygen atom: the chemical formula is H 2 O.
Chemical substance – Form of matter; List of alchemical substances; List of chemical elements; List of minerals – List of minerals with Wikipedia articles; List of named alloys; List of straight-chain alkanes; Polyatomic ion – Ion containing two or more atoms; Exotic molecule – a compound containing one or more exotic atoms
Chemical formulas can be used to describe the relative amounts of elements present in a compound. For example, the chemical formula for water is H 2 O: this means that each molecule of water is constituted by 2 atoms of hydrogen (H) and 1 atom of oxygen (O). The chemical composition of water may be interpreted as a 2:1 ratio of hydrogen atoms ...
A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. In empirical formulae, these proportions begin with a key element and then assign numbers of atoms of the other elements in the compound, by ratios to the key element.
Although most compounds are referred to by their IUPAC systematic names (following IUPAC nomenclature), ... (OH) 3 [19] [20] Aluminium nitrate – Al(NO 3) 3 [21]
Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...