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Citation: Liu Shaoqian, Wang Jiaguo. Correlation between the Hard-Soft Acid-Base Concepts and the Occurrences of Elements in Nature[J]. Chemistry, ;2018, 81(2): 185-191. shu

Correlation between the Hard-Soft Acid-Base Concepts and the Occurrences of Elements in Nature

Liu Shaoqian ^1, ,
Wang Jiaguo ²

1.
College of Chemistry and Chemical Engineering, Central South University, Changsha 410083
2.
College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035

Received Date: 8 September 2017
Accepted Date: 10 November 2017

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In the teaching of inorganic chemistry, the occurrence of elements in nature, not only is an important property, but also determines the method for preparation and synthesis of the elements and their compounds. The occurrence of the elements in nature can be deduced from the knowledge of electronic structure of the ions and general chemical principles. By practicing with the deducing program, the understanding of electronic structure of ions and general chemical principles can be reinforced and a logic chain of element properties can be established, which reducing the burden of memorization for students. In this paper, a method of deducing the occurrence of the elements in nature based on the hard-soft acid-base concepts and the environments of the earth's crust, surface and atmosphere was proposed, which is believed to be a simple and instructive method.
- Hard-soft acid-base concepts,
- Deducing,
- Elements,
- Occurrence form
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