WebAdjective [ edit] bismuthic ( not comparable ) ( chemistry) Of, or containing bismuth in its higher valence. WebBismuth is a silver-white, reddish-tinged, brittle metallic element with a rhombohedral crystalline structure. It exhibits more metallic properties than the other members of Group 15 of the periodic table. It occurs free in nature to a small extent. Bismuth does not tarnish in air, but when heated it burns to form yellow fumes of the trioxide.

Bismuthic Article about bismuthic by The Free Dictionary

WebDefinition of bismuthic in the Medical Dictionary by The Free Dictionary Bismuth is a chemical element with the symbol Bi and atomic number 83. It is a post-transition metal and one of the pnictogens, with chemical properties resembling its lighter group 15 siblings arsenic and antimony. Elemental bismuth occurs naturally, and its sulfide and oxide forms are important commercial ores. … See more Bismuth compounds account for about half the global production of bismuth. They are used in cosmetics; pigments; and a few pharmaceuticals, notably bismuth subsalicylate, used to treat diarrhea. Bismuth's unusual … See more Physical characteristics Bismuth is a brittle metal with a dark, silver-pink hue, often with an iridescent oxide tarnish … See more In the Earth's crust, bismuth is about twice as abundant as gold. The most important ores of bismuth are bismuthinite and bismite. Native bismuth is known from Australia, Bolivia, and China. See more See also bismuthia, a rare dermatological condition that results from the prolonged use of bismuth. Scientific literature … See more Bismuth metal has been known since ancient times and it was one of the first 10 metals to have been discovered. The name bismuth dates to around 1665 and is of uncertain etymology. The name possibly comes from obsolete German Bismuth, Wismut, … See more Bismuth forms trivalent and pentavalent compounds, the trivalent ones being more common. Many of its chemical properties are similar to those of arsenic and antimony, although they are … See more Bismuth has few commercial applications, and those applications that use it generally require small quantities relative to other raw materials. In the United States, for example, 733 … See more imessage chat on windows

שינוי הגדרות מערכת EUdict Hebrew>English

WebBISMUTH, a metallic chemical element; symbol Bi, atomic weight 208.5 (0 = 16). It was probably unknown to the Greeks and Romans, but during the middle ages it became quite familiar, notwithstanding its frequent confusion with other metals. WebThe National Library of Medicine (NLM), on the NIH campus in Bethesda, Maryland, is the world's largest biomedical library and the developer of electronic information services that delivers data to millions of scientists, health professionals and members of the public around the globe, every day. Web(1) Bismuth pentoxide, B12C,, is obtained by heating bismuthic acid, HBiO 3, to 130 C.; this acid (in the form of its salts) being the product of the continued oxidation of an alkaline … imessage color change