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KMID : 1059519970410080427
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Journal of the Korean Chemical Society
1997 Volume.41 No. 8 p.427 ~ p.436
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A Simple Approach to the Ionic-Covalent Bond Based on the Electronegativity and Acid Strength of Cations. Part One:Calculation of the Electronegativity and Acid Strength
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Portie Josik
Campet Guy
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Abstract
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A simple relation exists between electronegativities of cations and their oxidation states and ionic radii. An empirical law is proposed: X = 0.274 z-0.15 z r - 0.01 r+1+α, z being oxidation number, r ionic radius in A˚ and α a term related to the atomic number. this relation permits to calculate an electronegativity scale covering a large set of electronic and crystallographic situations. An application to the calculation of acid strengths of cations is presented.
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KEYWORD
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