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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Abegg's rule ： ウィキペディア英語版 Abegg's rule In chemistry, Abegg’s rule states that the difference between the maximum positive and negative valence of an element is frequently eight. The rule used a historic meaning of valence which resembles the modern concept of oxidation state in which an atom is an electron donor or receiver. Abegg’s rule is sometimes referred to as "Abegg’s law of valence and countervalence". In general, for a given chemical element (as sulfur) Abegg’s rule states that the sum of the absolute value of its negative valence (such as −2 for sulfur in ''H2S'') and its positive valence of maximum value (as +6 for sulfur in ''H2SO4'') is often equal to 8. ==History== The concept was formulated in 1904 by German chemist Richard Abegg. Gilbert N. Lewis was one of the first to refer to the concept as "Abegg’s rule" when he used it as a basis of argument in Gilbert N. Lewis’ 1916 famous article "(The Atom and the Molecule )", to develop his cubical atom theory, which developed into the octet rule. "The Atom and the Molecule" article helped inspire Linus Pauling to write the famous 1938 textbook ''The Nature of the Chemical Bond''. 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「Abegg's rule」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.