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Lewis酸碱硬度与电负性这两个概念之间具有怎样的联系?能否对它们从理论上精确地定义?这是饶有兴趣的两个问题。美国化学家R.G.Parr和R.G.Pearson提出绝对硬度的概念,对上述问题作了一个很好的回答。
What is the relationship between the concepts of Lewis acid-base hardness and electronegativity and whether they can be theoretically and precisely defined? It is two issues of great interest. American chemists R.G. Parr and R.G. Pearson put forward the concept of absolute hardness and made a very good answer to the above questions.