再论电负性量表的发展

大学化学 Pub Date : 2020-01-01 DOI:10.3866/pku.dxhx201903038

Ren-qing Lü, 山东青岛 sup 中国石油大学理学院, T. Sun, Fang Wang, Shutao Wang, 山东东营 sup 胜利第一中学化学组

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引用次数: 0

摘要

电负性一直是化学中最重要的概念之一。它在基础化学课程中占有重要的地位。本文提出了电负性发展的三个时期的观点。简述了对电负性标度认识的深化和逐步发展过程。在简要介绍不同电负性量表的基础上，重点讨论了绝对电负性量表、鲍林式电负性量表、艾伦电负性量表及其改进的拉姆电负性量表的区别。对电负性概念的重新探讨无疑有助于对电负性概念的深入理解和基础课程教学内容的改革。

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Re-discussion on the Development of Electronegativity Scales

Electronegativity has been one of the most important concepts in chemistry. It plays a critical role in fundamental chemistry courses. This paper proposed a view of three periods on the development of electronegativity. The process of deepening and gradually developing in understanding of electronegativity scale is briefly described. On the basis of a brief description of different electronegativity scales, the difference between absolute electronegativity scale, Pauling type electronegativity scale, Allen electronegativity scale and its modified Rahm electronegativity scale were discussed emphatically. The re-discussion is undoubtedly helpful for the in-depth understanding about the concept of electronegativity and the reform of teaching contents in fundamental studies.

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来源期刊

大学化学

自引率

0.00%

发文量

5852

期刊介绍： University Chemistry is an educational research academic journal supervised by the Ministry of Education and co-sponsored by Peking University and the Chinese Chemical Society. It was founded in 1986 and changed to a monthly publication in January 2016. Its purpose is to promote and deepen the reform of university chemistry education and serve to improve the level of chemistry teaching in my country. The main columns are: Today's Chemistry, Teaching Research and Reform, Knowledge Introduction, Chemical Experiments, Teacher-Student Chats, Future Chemists, etc. The journal has been included in many databases such as China Journal Network Full-text Database, Wanfang Database, Taiwan Huayi Database, Chinese Science and Technology Journal Database (Full-text Edition), and American Chemical Abstracts.