halogen acids

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• halogen element — ▪ chemical element group Introduction  any of the five nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic (periodic law) table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine… …   Universalium

• halogen — One of the chlorine group (fluorine, chlorine, bromine, iodine, astatine) of elements; halogens form monobasic acids with hydrogen, and their hydroxides (fluorine forms none) are also monobasic acids. [G. hals …   Medical dictionary

• Haloacetic acids — are carboxylic acids in which a halogen atom takes the place of a hydrogen atom in acetic acid. Thus, in a monohaloacetic acid, a single halogen would replace a hydrogen atom. For example, chloroacetic acid would have the structural formula… …   Wikipedia

• sodium — /soh dee euhm/, n. 1. Chem. a soft, silver white, metallic element that oxidizes rapidly in moist air, occurring in nature only in the combined state, and used in the synthesis of sodium peroxide, sodium cyanide, and tetraethyllead: a necessary… …   Universalium

• Antimony — This article is about the element. For the town, see Antimony, Utah. Not to be confused with Antinomy, a type of paradox. tin ← antimony → tellurium As ↑ Sb ↓ Bi …   Wikipedia

• alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… …   Universalium

• Tin dioxide — chembox new ImageFile = Rutile unit cell 3D balls.png ImageSize = 150px IUPACName = Tin(IV) oxide SystematicName = OtherNames = stannic oxide, tin(IV) oxide, stannic oxide, stannic anhydride, flowers of tin Section1 = Chembox Identifiers… …   Wikipedia

• potassium — /peuh tas ee euhm/, n. Chem. a silvery white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; at. wt.: 39.102; at. no.: 19; sp. gr.: 0.86 at 20°C. [1800 10; < NL; …   Universalium

• halide mineral — Any of a group of naturally occurring inorganic compounds that contain a halogen such as fluorine, chlorine, iodine, or bromine as the anion. Such compounds, with the notable exceptions of fluorite, halite, and sylvite, are rare and of very local …   Universalium

• -ate — [From the L. suffix atus, the past participle ending of verbs of the 1st conj.] 1. As an ending of participles or participial adjectives it is equivalent to ed; as, situate or situated; animate or animated. [1913 Webster] 2. As the ending of a… …   The Collaborative International Dictionary of English

• Hydrazoic acid — Chembox new Name = Hydrazoic acid ImageFile = Hydrogen azide 2D dimensions.png ImageName = Structure, bonding and dimensions of the hydrogen azide molecule ImageFile1 = Hydrogen azide 3D vdW.png ImageName1 = Hydrazoic acid IUPACName = hydrogen… …   Wikipedia