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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 ...
Inorganic compounds by element; List of alloys; List of alkanes; List of elements by name; List of minerals – List of minerals with Wikipedia articles; List of alchemical substances; Polyatomic ion – Ion containing two or more atoms; Exotic molecules – Atoms composed of exotic particles can form compounds
A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...
Promenade: a performance of a play in which the actors and audience occupy the same space, with no distinction between acting area and audience area. The audience is given the freedom to explore the space together with the performance, and there is generally an element of audience interaction in the play.
A female singer with a range usually extending from the A below middle C to the F an eleventh above middle C. Mezzo-sopranos generally have a darker vocal tone than sopranos, and their vocal range is between that of a soprano and that of a contralto. MG See main gauche minore Minor key misterioso Mysterious mit Dämpfer (Ger.) With a mute M.M.
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John Scarne's variation on the trick includes some intentional misspellings as a performance element. [2] This trick requires some preparation on the part of the magician, who arranges the cards in order before beginning the performance. When spelling from ace to king, the order is 3-8-7-A-Q-6-4-2-J-K-10-9-5. [3] A mnemonic is as follows: [4]
This is a list of common chemical compounds with chemical formulae and CAS numbers, indexed by formula. This complements alternative listing at list of inorganic compounds . There is no complete list of chemical compounds since by nature the list would be infinite.