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Citation: Jiaguo Wang, Xiping Jing, Hongping Xiao. Polarization and Deformation of Cations and Anions[J]. Chemistry, ;2021, 84(5): 497-505. shu

Polarization and Deformation of Cations and Anions

1.
College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035
2.
College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871

Corresponding author: Jiaguo Wang, jiagle@126.com
Received Date: 17 November 2020
Accepted Date: 29 December 2020

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The polarization and deformation of cations and anions is a pair of important concepts in inorganic chemistry education, which can be used to explain the structures, and many physical and chemical properties of compounds. However, in some textbooks, the descriptions on this pair of concepts are ambiguous, which leads to the students puzzled on the understanding of these concepts. In this paper, the fundamental definitions of the polarization and deformation of cations and anions are introduced, and then the influence factors on the concepts are discussed. By using the concepts-polarization and deformation, the structures, solubility, color and thermal stability of some compounds are analyzed. Especially, reasonable explanations are supplied to some disputable subjects in inorganic chemistry education. On the analysis of the structures of the small molecule compounds by using the concepts of polarization and deformation, the shortages of the hybrid orbital theory and the valence- shell electron pair repulsion theory can be compensated.
- Ionic bond,
- Covalent bond,
- Polarization,
- Deformation,
- Molecular structure,
- Inorganic chemistry,
- Education
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