HSAB則
1. HSAB theoryThe HSAB concept is an acronym for "hard and soft (Lewis) acids and bases". Also known as the Pearson acid base concept, HSAB is widely used in chemistry for explaining stability of compounds, reaction mechanisms and pathways. It assigns the terms 'hard' or 'soft', and 'acid' or 'base' to chemical species. 'Hard' applies to species which are small, have high charge states (the charge criterion applies mainly to acids, to a lesser extent to bases), and are weakly polarizable.
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Read “HSAB theory” on English Wikipedia
Read “HSAB則” on Japanese Wikipedia
Read “HSAB theory” on DBpedia
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