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|Section2= |Section3= |Section4= |Section7= |Section8= }} Tin (IV) oxide, also known by the systematic name stannic oxide in the older notation, is the inorganic compound with the formula SnO2. It is not named tin dioxide because Tin is a Type II Metal, and so is named Tin (IV) Oxide by nomenclature. The mineral form of SnO2 is called cassiterite, and this is the main ore of tin. With many other names (see infobox), this oxide of tin is the most important raw material in tin chemistry. This colourless, diamagnetic solid is amphoteric. ==Structure== It crystallises with the rutile structure, wherein the tin atoms are six coordinate and the oxygen atoms three coordinate.〔 SnO2 is usually regarded as an oxygen-deficient n-type semiconductor.〔Solid State Chemistry: An Introduction Lesley Smart, Elaine A. Moore (2005) CRC Press ISBN 0-7487-7516-1〕 Hydrous forms of SnO2 have been described in the past as stannic acids, although such materials appear to be hydrated particles of SnO2 where the composition reflects the particle size. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「tin dioxide」の詳細全文を読む スポンサード リンク
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